7. By about how much did the concentration of CO2 in the atmosphere change
between 1880 and 2020? *
Answers
200 parts per millionExplanation:
Related Questions
How does air move in the atmosphere?
a. From high pressure to low pressure
b. From warm regions to cold regions cFrom the equator to the poles dFrom the lower atmosphere to the upper atmosphere
Answers
Air moves in the atmosphere from high pressure to low pressure. Air pressure is the force exerted by air molecules on the surface below. The movement of air in the atmosphere is due to the pressure differences caused by temperature differences in the atmosphere and the rotation of the earth.
Air moves in response to differences in pressure, which are caused by differences in temperature. When air warms up, it expands, becomes less dense and rises, causing an area of low pressure. On the other hand, when air cools, it contracts, becomes more dense and sinks, creating an area of high pressure.
The movement of air from high to low pressure is what causes wind to blow. The greater the difference in pressure, the faster the wind will blow. Winds move from areas of high pressure to areas of low pressure.
When air is heated at the equator, it expands and rises, causing an area of low pressure. This warm air rises and moves towards the poles, creating a circulation pattern in the atmosphere known as the Hadley cell.
As this air cools, it sinks back down towards the surface at around 30 degrees latitude, creating an area of high pressure known as the subtropical high.
From here, the air flows back towards the equator, completing the circulation cell. This movement of air is responsible for the trade winds that blow from east to west across the tropical regions of the world.
In conclusion, the movement of air in the atmosphere is caused by differences in pressure, which are caused by differences in temperature. Air moves from areas of high pressure to areas of low pressure, and the circulation of air around the world is driven by temperature differences between the equator and the poles.
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Carbon is found in: (select all that apply) Question 1 options: living animals and plants oceans rocks atmosphere fossil fuels.
Answers
Answer:
The correct answer is A. C. and B.
Explanation:
Carbon is found in Plants and animals, different kinds of substances and rocks, as well as different fossil fuels!
Answer:
A.B.C Is correct
Explanation:
The map shows a part of the midwesternUnited States. The lines represent the borders of glaciers from the most recent ice ages.
Choose region with the least amount of glacial till, based on this information.
Answers
Based on the map given, the area that will have the least amount of glacial till is Area C.
What is glacial till?Glacial till refers to the sediments that glaciers deposit when they are in retreat.
Looking at the map, Areas A, B, D, and E, have glaciers that retreated while pointing towards their direction. These glaciers would therefore have deposited glacial till in those areas. Area C on the other hand, was not in the direction of any glacial retreat.
In conclusion, area C is correct.
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which parts of the roof truss are experiencing compression force in terms of technology
Answers
Answer:
A frame structure is a structure made up of many rigid parts joined together to form a 'framework'. These different parts are called members. Shell Structures. A shell structure is more enclosing than a frame structure - it surrounds and encloses something.
explain to a conoeist (someone who rows a small boat )it is not recommended to follow the inner banks of the river in this course of the river
Answers
Answer:
Dear canoeist,
I would like to advise you that it is not recommended to follow the inner banks of the river in this course of the river. This is because there might be obstacles or currents that can make rowing difficult and even put you in danger. The outer banks are usually less steep and have less undercurrent, making it easier to navigate the river safely. Additionally, following the inner banks might also disturb the natural ecosystem of the river, which can have negative consequences. It is essential to keep yourself and the river safe by following the recommended path, which usually means not sticking to the inner banks.
Best regards,
Drake
I hope this answers your questions
There are a few reasons why it is not recommended for canoeists to follow the inner banks of a river in certain courses.
The current is stronger: The inner banks of a river are often where the current is strongest. This is because the water is constricted by the banks, so it has to flow faster to get through. This can make it difficult for canoeists to control their boats, and it can also increase the risk of capsizing.
There are more hazards: The inner banks of a river are often where there are more hazards, such as rocks, debris, and underwater stumps. These hazards can damage a canoeist's boat, and they can also pose a safety risk.
The view is obstructed: The inner banks of a river often obstruct the view of the river ahead. This can make it difficult for canoeists to see what is coming, and it can increase the risk of collisions.
So, it is generally recommended for canoeists to follow the outer banks of a river whenever possible. The outer banks are often where the current is weaker, there are fewer hazards, and the view is better.
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Why is it important for the South African Weather Service to issue weather warnings?
Answers
Answer:
Explanation: The purpose of this service is to warn the public and emergency responders of severe or hazardous weather which has the potential to cause danger to life or widespread disruption.
which of the following is an example of solidarity or cultural exchange across the african diaspora?
Answers
One example of solidarity or cultural exchange across the African diaspora is the annual Pan-African Festival of Algiers.
This festival brings together artists, musicians, writers, and scholars from across Africa and the diaspora to celebrate and showcase their shared cultural heritage. It serves as a platform for promoting unity and solidarity among people of African descent, and fostering a deeper understanding and appreciation of their diverse cultural expressions. The 1969 Pan-African Festival of Algiers, better known as PANAF, was the subject of the 1969 Algerian documentary film Festival panafricain d'Alger 1969. William Klein, who had been hired by the Algerian government to make a movie documenting the 12-day event, directed the movie.
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Explain the concept of world city using either economic or politi
characteristics
Answers
Answer:
Please read below:
Explanation:
World cities are cities that possess a high degree of economic and political power and influence within the global system.
They are centers of production, culture, finance, and communication, and act as nodes of global networks. They are also places where people from all over the world come to live and work and to access services, education, and entertainment. World cities are typically large metropolitan areas and are often the capital cities of their respective countries.
They are major hubs of global capital investment, business and finance, and international trade and commerce. They also tend to have large concentrations of people from different cultures and backgrounds, making them cosmopolitan and diverse.
World cities are important centers for the production and dissemination of ideas, culture, and technology.
They often have a high level of economic activity, with a large number of multinational corporations headquartered there, and are also important sites for international conferences, summits, and events.
Describe the duties of a soldier in spanish colonial texas
Answers
Answer:
The res of their time was spent in routine tasks such as tending horses and maintaining the presidio. Soldiers spent long hours on guard duty.
Explanation:
this is one duty of the soldiers in spanish colonial texas
in which geologic setting is the most widespread occurrence of hydrothermal metamorphism found? a. along transform plate boundaries b. along the axis of a mid-ocean ridge system c. where mantle plumes interact with the bottom of continental plates d. subduction zones between oceanic and continental plates
Answers
Hydrothermal metamorphism describes divergent limits. A common occurrence near convergent borders is contact and localized metamorphism.
Where does hydrothermal metamorphism happen the most?
spreading centers of the mid-ocean ridge When heated seawater percolates through hot, cracked basalt, hydrothermal metamorphism (Fig. 8.3) often takes place near mid-ocean ridge spreading foci.
Where is metamorphism most common?
The majority of metamorphic rocks are found in cratonic or fold mountain belts. Regional metamorphic rocks are those that are widespread throughout the crust of the Earth. They form when heat, burial pressure, differential stress, strain, and fluids interact with pre-existing rocks.
When a nearby preexisting rock interacts with hot, chemically active, mineral-rich fluids, hydrothermal metamorphism takes place (called the country rock). According to the phase diagram, the majority of hydrothermal metamorphism occurs at low pressures and low temperatures.
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What is the main reason behind the conflict between the Shiites and the Sunnis?
the passing of power
the official language
the rights to oil reserves
the Israeli border
Answers
Answer:
Sunnis believed that leadership should fall to the person who was deemed by the elite of the community to be best able to lead the community. And it was political division that began the Sunni-Shia split." The Sunnis prevailed and chose a successor to be the first caliph.
Explanation:
Answer:
passing of power
Explanation:
Although Islam is the dominant religion, serious divisions exist between its observers. Early in Islam's history, a major split occurred between the Shiite and the Sunni Muslims over political power. One group, the Shiites, believed that power should be passed on within Muhammad's (the founder of Islam) own family. The Sunnis, on the other hand, felt that power should be passed down through the lines of the clergy.
Where do primates live
Answers
Answer:
Africa, Central America, South America and Asia
Explanation:
trust me :), make sure to give me brainliest
For several decades land speed records have been held by jet and rocket propelled cars. Most attempts are carried out in various remarkably flat stretches of desert in the U.S. west. Suppose that a rocket car is going to attempt to set a new land speed record. It starts from rest and drives east on a very flat stretch of ground. At t=0 it starts to move. From t=0 until some t a
it speeds up with a constant acceleration. At t a
its rocket suffers a malfunction and shuts down. The car coasts at nearly constant speed from t a
until t b
. At t b
it deploys a parachute to slow down so that from t b
until t c
it slows down at a variable rate. It is slowing down quickly at the start of this time interval, but the rate at which it slows down is gradually decreasing. At t c
it cuts the parachute loose and then slows down at a constant rate using wheel brakes. The rate at which it slows down through this whole time is a lower rate than at any time while the parachute was deployed. It comes to rest at some later time, t d
. (a) Sketch an a vs. t graph, a v vs. t graph, and a x vs. t graph for the rocket car. Stack these graphs with key times lined up, the way I did in the videos and the way we practiced in class. (b) Let's put some numbers on this. Suppose that from t=0 until t a
=12 s the car is speeding up at a rate of 8.0 m/s 2
. Define axes, and write down the knowns and unknowns for the motion over this time interval. Don't do any calculations yet. (c) Calculate (the order I've written them in may not be the easiest order): - The average speed of the car over the time period from t=0 to t=t a
. - The speed of the car at t=t a
. - The distance traveled by the car from t=0 to t=t a
. (d) Find the average speed of the car from t=6.0 s until t=t a
.
Answers
The main answer to the given question is that the average speed of the car over the time period from t=0 to t=ta is 48 m/s, the speed of the car at t=ta is 96 m/s, and the distance traveled by the car from t=0 to t=ta is 576 meters.
In the first step, we need to analyze the motion of the rocket car and plot graphs of acceleration (a) versus time (t), velocity (v) versus time (t), and position (x) versus time (t).
Starting with the a versus t graph, it will show a constant positive acceleration until t=ta, indicating the rocket's acceleration phase. At t=ta, the acceleration abruptly drops to zero, representing the malfunction and shutdown of the rocket. Then, from t=ta to t=tb, the acceleration remains zero, indicating coasting at a nearly constant speed.
At t=tb, the parachute is deployed, and the acceleration becomes negative, gradually decreasing until t=tc when the parachute is cut loose. After t=tc, the acceleration becomes negative and constant, representing the use of wheel brakes until the car comes to rest at t=td.
The v versus t graph will follow a similar pattern. It will show a linear increase in velocity from t=0 to t=ta, indicating a constant acceleration phase. At t=ta, the velocity abruptly changes to a higher value due to the malfunctioning rocket shutting down. From t=ta to t=tb, the velocity remains nearly constant as the car coasts. At t=tb, the parachute deployment causes a gradual decrease in velocity until t=tc when it is cut loose. Finally, from t=tc to t=td, the velocity decreases at a constant rate due to the wheel brakes.
The x versus t graph will start at zero slope, representing no motion until t=0. From t=0 to t=ta, it will exhibit a positive concave-upward slope, indicating increasing displacement. At t=ta, the slope abruptly decreases to zero due to the constant velocity during coasting from t=ta to t=tb. The slope remains zero until t=tc when it becomes negative, indicating a decreasing displacement during braking until the car comes to rest at t=td.
The motion of the rocket car can be described using the equations of motion. In the acceleration phase, we can use the equation v = u + at, where v represents the final velocity, u the initial velocity (which is zero since the car starts from rest), a the acceleration, and t the time. Since the car starts from rest, the initial velocity is zero, and we have v = at. From t=0 to t=ta, the acceleration is 8.0 m/s², and we can calculate the speed of the car at t=ta using this equation.
To find the average speed from t=0 to t=ta, we can use the formula for average speed, which is given by average speed = total distance / total time. The total distance traveled can be determined by calculating the area under the v versus t graph from t=0 to t=ta. By integrating the equation v = at, we can find the displacement equation x = (1/2)at². By substituting the values of a and t=ta, we can find the distance traveled.
Finally, to find the average speed from t=6.0 s to t=ta, we can use the same formula for average speed and calculate the total distance traveled during this time period. This can be done by finding the area under the v versus t graph from t=6.0 s to t=ta.
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what is the highest gas in the atmosphere.
Answers
Answer:
Nitrogen
Explanation:
I don't know how to explain this
Which statements describe how maps represent Earth's surface? Check all that apply
They show all or part of Earth
They have a three-dimensional surface
They use symbols to represent land features
They correspond to distances on Earth using a scale
They represent the relative shape of Earth accurately
c
d
Which phrase describes the equator?
Check all that apply
Is a line of latitude
It is situated at 0 degrees
Connects the North and South Poles
Circles Earth as an invisible line on a globe
Separates the Eastern and Western Hemispheres
b
d
Which statements describe how globes represent Earth's surface? Check all that apply.
They are created to scale.
They model all or part of Earth's surface.
They are spherical and three-dimensional.
They represent surface features using symbols.
They provide detailed information about towns or cities.
b
c
d
Which statements describe gridlines on a map?
Check all that apply
They are measured in degrees
They set up reference system
They make straight lines on a globe
They run north to west and south to east
They divide Earth into four equal parts
a
b
e
Why would satellite imagery be more useful than a map in some instances?
Check all that apply.
provides landmarks such as buildings
is an overhead view of Earth's features
can be used when Internet is not available
provides small details of roads for digital maps
provides various methods of transportation to a location
a
b
d
Which phrases describe a Mercator projection?
Check all that apply.
is most commonly used
sizes most features to scale
presents longitude lines as parallel
shows most accurately near the prime meridian
distorts land size as it moves away from the equator
a
c
e
Which phrases describe the Global Positioning System?
Check all that apply
finds locations by triangulation
improves accuracy of digital maps
pinpoints locations on Earth's interior
uses one satellite station that orbits Earth
provides information for navigation system
a
b
e
The image shows a map of the world with an X located at 120°W, 30°S.
Which phrase describes the location of X?
above the equator
on the prime meridian
in the Western Hemisphere
in the Northern Hemisphere
c
How are the equator and the prime meridian used on maps?
to provide a reference system
to separate Earth's four hemispheres
to measure distances east and west
to identify the location of Earth's continents
b
Which statements describe equal-area projection?
Check all that apply.
Different types exist.
Longitude lines are straight.
Latitude lines meet at the poles.
Land area is more accurate than on a Mercator projection.
Angles become distorted moving away from the equator.
a
d
e
Which feature of a map shows the relationship between a distance on a map and that distance on Earth?
key
scale
grid system
compass rose
b
Which phrases describe the Global Positioning System (GPS)?
Check all that apply
finds locations by triangulation
improves accuracy of digital maps
pinpoints locations on Earth's interior
uses one satellite stations that orbits Earth
provides information for navigation systems
a
b
e
Which phrases describe the prime meridian?
Check all that apply
is a line of longitude
runs parallel to the equator
connects the North and South poles
is labeled at 90 degrees on a world map
divides the Western and Eastern Hemispheres
a
c
e
Which statements describe how globes represent Earth's surface? Check all that apply.
They are created to scale.
They model all or part of Earth's surface.
They are spherical and three-dimensional.
They represent surface features using symbols.
They provide detailed information about towns or cities.
b
c
d
A student is using a map in which the features are distorted and the land size is more accurate near the equator.
Which type of map is the student using?
Check all that apply.
Globe.
Flat map.
Conic projection.
Mercator projection.
Equal-area projection
d (that's it )
Which statements describe conic projections?
Check all that apply.
Multiple types exist.
Pilots use this projection type'
Poles usually serve as central points
Latitude lines connect at a central point.
Conic projections are the most distorted type.
a
b
c
This image shows a world map.
The equator runs through which continents?
Check all that apply
Africa
Europe
Australia
North America
South America
A ( that's it )
Answers
Maps display all or a portion of the surface of the planet, Earth.
The correct option is a.
A map is a visual aid that highlights the relationships between different elements of a space, such as places, themes, or things. While some maps are static and affixed to paper or another durable medium, others are dynamic or interactive.
The majority or whole surface of the world is shown on a globe map. Due to their magnitude, world maps must deal with the projection problem. The picture of the earth's surface in three dimensions is distorted by maps that must be drawn in two dimensions.
The question is:
Which statements describe how maps represent Earth's surface? Check all that apply
a. They show all or part of Earth
b. They have a three-dimensional surface
c. They use symbols to represent land features
d. They correspond to distances on Earth using a scale
e. They represent the relative shape of Earth accurately
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What is one aspect of a country that may be more important to its world standing than its size? its natural resources its government its leaders its location
Answers
Answer:
natural resources,
even if your a small country, if you have oil you have high political power
What are some ways the United Nations an help improve the development of Italy?
Answers
It works with leading universities and research institutes, investigating issues such as global change and sustainable development, development governance, and science, technology, innovation and society. Its postgraduate teaching activities contributes to capacity building in developing countries.
Some ways that the United Nations can help to improve the development of Italy are:
Through campaignsSeminarsBy creating awarenessThe United Nations can help improvement by creating agendas that would tackle and lead to the end of the issue.
They can help to eradicate poverty and hunger.By promoting quality education.Good healthGender equality among citizens.Read more on the United Nations here:
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what does life stock farming provide us
Answers
Answer:
meat, eggs, milk, fur, leather, and wool.
why should we use our resources carefully
Answers
1.Non - Renewable Resources Are Used in a Large Amount bcoz of which The Prices Are Going Higher
2. Though We have Resources Easily Available Today But If the Use Of Resources Just Keep Increasing Then A Time Will Come when People will Fight For Resources
3.Resources need to be conserved as The Time Taken to Utilize This Resources is very less While The Formation Of Resources like Fossil Fuel Takes Millions Of Years
What is an example of an informed opinion
Answers
Answer:
For example : a mother who raised an autistic child may offer as much or more insight to a particular story as an accredited health provider.
Answer:An example is a mother who raised an autistic child may offer as much or more insight to a particular story as an accredited health provider.
Explanation:
A student uses clay to build a model of a
mountain. The student uses dental floss to
make horizontal cuts through the mountain.
What do the horizontal cuts through the
mountain represent in this model? (8. 3B)
Answers
The horizontal cuts made through the mountain in the clay model represent different elevation levels or layers of the mountain.
When the student makes horizontal cuts through the mountain using dental floss, it allows them to create distinct layers within the model. Each horizontal cut represents a specific elevation level or layer of the mountain. By creating these layers, the student can depict the varying height and shape of the mountain more accurately.
These horizontal cuts help to represent the geological structure of the mountain. In real mountains, layers of rock and sediment are stacked on top of each other, often formed through geological processes such as folding, faulting, or volcanic activity. By making horizontal cuts, the student is simulating these layers and showcasing the different materials and formations that make up the mountain.
The horizontal cuts also provide a visual representation of the mountain's topography. They allow the student to highlight the contours and shape of the mountain, emphasizing its ridges, valleys, and slopes. This technique adds depth and realism to the clay model, making it a more accurate representation of a mountain's physical characteristics.
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You are preparing a presentation that compares one company with another.
What organizational pattern should you use?
Journalistic
Compare/contrast
Chronological
What should the conclusion of your presentation include? Check all that apply.
A detailed analysis of each main point
A statement that allows you to leave the podium gracefully
A paragraph that establishes credibility
You can better organize your speech by composing a carefully formatted outline. When you are presenting, however, don’t read directly from your outline. Instead, use it to organize your points and refer to it briefly, if needed—for example, if you lose your place, are looking for a specific word, or need to read a person’s name and title correctly.
Read the speech outline and answer the following questions.
I. INTRODUCTION
A. How many of you would rather jump out of an airplane than be up here talking today?
B. My name is Hilary, and I am a professional speaking consultant. I have been working for SpeakEasy, a communications consulting firm, for five years. I also have ten years of experience as a university-level speech instructor.
C. I used to be so frightened to get in front of an audience that I would noticeably shake. Many of you in this room may also have a fear of public speaking.
Transition: I have overcome my fear of speaking, however, and you can too. I am here today to introduce you to three stress-reduction practices that will help you manage your stage fright: deep breathing, positive self-talk, and fear conversion.
II. BODY
A. First, let’s talk about your breathing. Reducing your fear can be as easy as changing the way you breathe.
1. Inhale to a count of ten.
2. Exhale to a count of ten.
3. Concentrate on counting and breathing.
4. The counting and mindful breathing will take your mind off your fear, slow your heart rate, and reduce your fight-or-flight response.
Transition: In addition to concentrating on your breathing, you can manage your fear by using positive self-talk.
B. Everyone feels some sort of apprehension before speaking, but you can control it by repeating positive thoughts instead of focusing on your fear.
1. Spend significant time preparing your presentation and practise it several times.
2. Remind yourself of how much you have prepared.
3. Choose a topic you know well.
4. Know your topic and remind yourself of your knowledge.
Transition: The final stress-reduction technique is fear conversion. We often believe what we think, and then we react accordingly. We can, however, change our thinking.
C. Positive thoughts allow you to reframe your reaction and stop focusing on your fear.
1. Look at your reactions as symptoms of exuberance, excitement, and enthusiasm.
2. Change your interpretation, and your fear will lessen.
Transition: These three stress-reduction techniques, if practised regularly, can reduce your fear of public speaking. Let’s review them quickly.
III. CONCLUSION
A. You can reduce your fear of public speaking with these three techniques:
1. Using mindful breathing
2. Practising positive self-talk
3. Reframing your reactions
B. Breathing, positive thinking, and reframing are effective ways to reduce your fear. I practised these steps and gradually overcame my fears. I don’t shake anymore! I encourage you to utilize these techniques. They will help you make positive steps toward becoming a fearless and effective speaker.
How many points does the speaker cover?
Six points
Two points
Three points
What does the speaker include in her conclusion?
A summary of the main themes
A startling fact
A pertinent joke
Answers
Answer:
The speaker covers three points in her presentation: mindful breathing, positive self-talk, and reframing. In her conclusion, she summarizes the main themes of her presentation and encourages the audience to practice these techniques.
The speaker's conclusion is effective because it:
Summarizes the main themes of the presentation in a clear and concise way.Encourages the audience to practice the techniques she has discussed. Leaves the audience with a positive feeling.The speaker's conclusion is also effective because it is well-structured. It begins with a summary of the main themes, followed by an encouragement to practice the techniques, and ends with a positive feeling. This structure helps the audience to remember the main points of the presentation and to feel motivated to practice the techniques.
Explanation:
The percentage of money a credit card company charges customers who pay beck loans over time is called O A the credit score. O B. the minimum monthly payment O c. the credit limit O D. the interest rate.
Answers
Answer:
O D. the interest rate.
Explanation:
Hope this helped!
The percentage of money a credit card company charges customers who pay back loans over time is called the interest rate. Therefore, option D is correct.
What is the meaning of interest rate?An interest rate is the percentage at which a borrower pays interest on borrowed money. It is the cost of borrowing money, or the reward for lending money. Interest rates are typically expressed as an annual percentage rate (APR), which represents the percentage of the loan amount that the borrower must pay in interest over the course of a year.
Interest rates are set by central banks or other financial institutions, and can vary based on a variety of factors, such as inflation, economic growth, and the supply and demand of money. Higher interest rates can encourage saving and discourage borrowing, while lower interest rates can stimulate borrowing and spending.
Interest rates can have a significant impact on the economy, influencing everything from the cost of loans and mortgages to the value of currency and investments. They are a critical tool for policymakers in managing monetary policy and promoting economic stability.
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Which of the following is likely to be an important economic activity in an elongated country with an ocean as its longest physical border?
A. Mining
B. Farming
C. Tourism and service
D. Fishing
E. Manufacturing
Answers
there is lots of water
Answer:
its fishing D
Explanation:
geography
it is the concept of a living being coming back to life after death
Answers
Answer:
Reincarnation.
Reincarnation is the philosophical or religious concept that an aspect of a living being starts a new life in a different physical body or form after each death.
Explanation:
hope it helps.
How does the uneven heating of the Earth's surface affect the climate of a region?
Answers
The uneven heating of the Earth's surface affects the climate of a region resulting in some of the atmospheres being warmer than other parts and changes in volume and pressure which result in updrafts and can cause thunderstorms and violent weather.
The axis of the Earth is tilted and has an inclination the planet does not receive the same amount of solar radiation (heat) but instead, such heating is dependent on the distance from the equator (latitude) and on the season.
As a result, some areas of the planet are affected, the ones closer to the equator, and are heated more and faster than the ones at higher latitudes (closer to the poles).
In summer the northern hemisphere (north of the equator) receives more solar radiation (heat) than in winter which makes summer warmer than winter. The opposite phenomenon happens in the southern hemisphere (south of the equator).
Because the earth spins the conductive air cells which develop as air is heated by the sun (similarly to the circulation in a boiling pot of water) are "twisted" by what is known as the "Coriolis effect" or "Coriolis force" generating specific regional and global wind circulations that affect the climate.
Therefore, the presence, or absence, of mountain ridges affects the local wind, humidity circulation, and thus the climate of a region.
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How does seafloor spreading support continental drift?.
Answers
Seafloor spreading supports continental drift in the following ways that are given below.
What are the ways?Sea-floor spreading refers to the gradual movement of the oceanic crust from mid-oceanic ridges to the surrounding seafloor. This process is caused by the upwelling of magma at divergent plate boundaries and results in the creation of new oceanic crust.
Two major pieces of evidence are as follows:
1. Age of the oceanic crust: The oceanic crust is much younger than the continental crust. Seafloor spreading supports this idea by showing that new oceanic crust is continuously being formed at mid-oceanic ridges and that the oldest oceanic crust is found farthest away from these ridges.
2. Magnetic anomalies: Seafloor spreading also supports continental drift by providing evidence of magnetic anomalies. Magnetic anomalies are areas of the ocean floor where the polarity of the Earth's magnetic field is reversed.
This observation is consistent with the idea of continental drift because it suggests that the oceanic crust is spreading out and away from the mid-oceanic ridges.
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Which of the following is NOT a factor that causes the distribution of population to vary from one region
to another?
A. the amount of arable land
B the length of the growing season
C. the elevation
D. the amount of rainfall
O E. the size of the ecumene
Answers
similarities and differences between the geographic north pole and the magnetic north pole
Answers
Answer: The geographic North Pole is the end of the Earth’s rotation axis and is the North on geographic maps. This pole lies in the middle of the Arctic Ocean.
The magnetic North Pole is the point where the lines of force of the Earth’s magnetic field converge.
The geographic North Pole is where lines of longitudes converge into what we call the North Pole.
The Magnetic Pole is a point in Northern Canada where the northern lines of attraction enter the Earth.
Answer:
The geographic North Pole is the end of the Earth's rotation axis and is the North on geographic maps. This pole lies in the middle of the Arctic Ocean. The magnetic North Pole is the point where the lines of force of the Earth's magnetic field converge.
Explanation:
the depths of most earthquakes in subduction zones is called ?
Answers
The depths of most earthquakes in subduction zones is called the Wadati-Benioff zone.
In subduction zones, the Wadati-Benioff zone is a sloping region of seismic activity that stretches from shallow to deep depths. The Wadati-Benioff zone is a location of seismic activity in subduction zones where earthquakes occur at various depths.
The Wadati-Benioff zone is where one tectonic plate subducts beneath another. The Wadati-Benioff zone is thought to result from the bending of the subducting slab under pressure from the overriding plate.
The Wadati-Benioff zone, which is located at an angle of 30 to 60 degrees, is responsible for generating earthquakes that can reach depths of up to 700 km. In addition, it is the location where most deep earthquakes occur.
As a result, the Wadati-Benioff zone is an essential area for earthquake study because it is the location where most of the largest and deadliest earthquakes occur.
For such more question on earthquakes:
https://brainly.com/question/9797034
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