an astronomer has a telescope with a diameter of 27 cm and a focal length of 250 cm. which eyepiece should he use to achieve a result closest to 140× magnification?

It should be noted that tropical cyclones simply mean low pressure systems which form over warm tropical waters.

It should be noted that tropical cyclone simply means the intense circular storm which originates over warm tropical oceans.

Tropical cyclones usually form when the temperature of the sea surface is above 26.5°. It will dissipate when it moves over land.

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Paleomagnetism is the study of Earth's magnetic field as preserved in rocks and sediments. It involves analyzing the magnetic properties recorded in rocks to determine the past behavior and changes of Earth's magnetic field.

This field is generated by the movement of molten iron in Earth's outer core. Paleomagnetism is important because it provides valuable information about the past positions of continents, tectonic plate movements, and geological processes. By studying the magnetic properties of rocks, scientists can reconstruct the Earth's magnetic history, determine the past locations of continents, and understand the processes that have shaped our planet over millions of years.

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Answer:

" A bay is larger than a gulf.

A gulf is larger than a bay "

Explanation:

this statement more accurately describes the difference between bay and a gulf

Answer:

Low

Explanation:

Low because the soil is dark and does not reflect well.

Answer: The phenomenon of light absorption by a surface is known as the albedo effect. Light is more readily absorbed by darker materials than by brighter ones. In other words, brighter materials reflect more light than darker materials do.

Explanation: Mountains covered in snow are white (a light color), which gives them a high albedo, whereas cornfields are dark green (a dark color), which gives them a lower albedo. We are advised to wear lighter clothing in the summer because of this similar occurrence so that they absorb less sunlight and make us feel cooler.

One of the most important factors affecting albedo is cloud cover.

The albedo of the cloud is determined in part by the amount of cloud cover.

The energy budget of the Earth is impacted by this albedo as well as other elements like the greenhouse effect.

The dense clouds reflect a significant percentage of the incoming sunlight.

This indicates a high albedo.

As a result, it is clear that albedo is caused by cloud cover.

Circle A can be transformed into Circle B by translating it 2 units right and 10 units up, according to the concept of translation.

In conclusion, the transformation of Circle A into Circle B involves a translation by a vector (2, 10), resulting in the circles being shifted in position while maintaining their overall shape and similarity.

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Answer:

America became it's own nation because the 13 colonies didn't want to be run by England anymore.

Explanation:

The 13 colonies were run by England but agreed to come together to claim independence. Hence, America was born.

Relative dating utilizes half-lives such as Carbon-14 to acquire a specific date.What is relative dating?Relative dating is a technique that aids in determining the age of a fossil, rock, or archaeological site by comparing it to the surrounding strata's age.

This technique does not give us a specific year or time in which the object was formed or deposited in a layer. Relative dating is based on the principle of superposition. The principle of superposition is a geological law that states that younger layers of rock or sediment are deposited on top of older layers.Carbon-14 and half-livesCarbon-14 is a radioactive isotope that is used to date materials such as fossils and rocks. The Carbon-14 half-life is roughly 5730 years, which means that half of the radioactive element will have decayed in that amount of time.

This method of dating is known as radiocarbon dating, and it is used to determine the age of organic materials such as bone, wood, and charcoal, which are all carbon-based materials. However, it is not utilized in relative dating.

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Answer:

I wanna say A or d

Explanation:

because a and d are important

Answer:

16/39 - 9/26

the LCM is 78

32/78 -27/78

5/78

the answer is 5/78

Answer:

Chilli

Explanation:

Matching the properties of soil with given description are Sample 1 is bentonite (montmorillonite) from Billings, Montana (Option B), Sample 2 is volcanic ash from Hilo, Hawaii (Option D), Sample 3 is glacial outwash from Palmer, Alaska (Option C), sample 4 is  fibrous peat with some sand from Ann Arbor, Michigan (Option A), and Sample 5 is glacial till from Chicago, Illinois (Option E).

Sample 1 is bentonite (montmorillonite) from Billings, Montana as the presence of montmorillonite mineral in bentonite makes it highly plastic. Sample 2 is volcanic ash from Hilo, Hawaii as the soil consists of finer texture with higher proportion of sand and clay than gravel and lower plasticity. Sample 3 is glacial outwash from palmer, Alaska  which is made up of deposit of sand and gravel and low moisture content and specific gravity of 2.65. Sample 4 is fibrous peat with some sand from Ann Arbor, Michigan as peat is characterized by high moisture content and low specific gravity. Sample 5 is glacial till from Chicago, Illinois as it only contains sand and silt with high specific gravity.

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Answer:

The difference between ‘child labour’ and ‘child work’ is that child labour refers to work that is

harmful to children. It is work that is mentally or physically dangerous, work that interferes

with their ability to go to school which can affect their income-earning potential as adults. The

health and wellbeing of child labourers is at risk, and they can end up being trapped in a cycle

of poverty.

There are a number of ways that child labour can affect children, and these can vary

depending on which industry the child is working in. Generally, child labourers can suffer from

long-term health problems due to malnutrition, exposure to chemicals, abuse, injuries,

exhaustion, and psychological harm.

1

 In agriculture, children may be exposed to toxic pesticides or fertilisers. They work with

dangerous blades and tools, and carry heavy loads.

 In mining, children may use poisonous chemicals, face the risk of mine collapse, and

sometimes work with explosives.

 In construction, children may carry heavy loads, work at heights without safety

equipment, and risk injury from dangerous machinery.

 In manufacturing, children may use toxic solvents, perform repetitive tasks in painful

positions, and risk injury from sharp tools.

 In domestic work, children risk abuse, work long hours, and often live in isolation from

their families and friends.

Explanation:

Mechanical Weathering Mechanical weathering, also called physical weathering and disaggregation, causes rocks to crumble. Water, in either liquid or solid form, is often a key agent of mechanical weathering. For instance, liquid water can seep into cracks and crevices in rock.

Answer:

Explanation:

The description provided corresponds to a "desert varnish."

Desert varnish is a dark, hard, shiny coating that forms on rock surfaces in arid or desert environments. It consists of a mixture of iron and manganese oxides, clay minerals, and other trace elements. The varnish appears as a thin layer and can range in color from dark brown to black, sometimes with hints of red or orange.

The formation of desert varnish is a complex process that involves the interaction of various factors, including mineral weathering, wind-blown particles, and microbial activity. Over time, the varnish accumulates on the exposed surfaces of rocks, often creating intricate and visually striking patterns.

Desert varnish is known for its ability to preserve rock art and inscriptions, as it can provide a protective layer against erosion and weathering. It has been studied by geologists, archaeologists, and environmental scientists to better understand its composition, formation, and its potential implications for interpreting past environments and human history in desert regions.

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Answer:

A. thickly applied paint that lets us see brushstrokes.

Explanation:

Impasto is a technique of laying down paint so that it stands out from the surface and you can visibly see the brushstrokes.

Impasto is thickly applied paint that lets us see brushstrokes. Thus the correct option is A.

A  painting technique that involves applying paint thickly and with apparent brushstrokes to create a rough surface is called Impasto. Paint is often placed in layers in impasto painting, with brushstrokes visible on the surface of the painting.

To give a sense of volume and texture, as well as to emphasize brushstrokes and generate a sense of energy and movement  Impasto is used in painting.

Painting with impasto techniques has a long history in art, extending back to the Middle Ages. Impasto was especially popular during the Baroque period when artists like Rembrandt and Peter Paul Rubens utilized it to produce dramatic effects.

Therefore, option A is appropriate.

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Answer:

1. The expenses 2. It's also really flammable 3. It also emits a greenhouse gas.

Answer:

the answer is A

Explanation:

Answer:

Tourism industry play great role in the development of a world and it positively and negatively correlated with the economic growth of the global economy. Seeing to its importance the present study was arranged since 23, March, 2020. The universe of the study was the world. The major objective of the study was to examine the factors which affect tourism industry positively and negatively while also study its impact on the global economy of the world. Secondary data were used and total 18 articles were downloaded from the net and read many times and analyzed the situation. The analysis indicates that tourism industry keep tight correlation with the economic growth of the global economy while there are so many factors which affect the tourism industry positively and negatively which in the long run or short run affect the global economy of the world negatively and positively. Among these factors culture, peace, security, developed infrastructure of the world, visa facilities, natural beautification, attitude of the people, tourist number, Quarantine, World population, Education, Income level, Price level of different commodities in the world, different languages and fare of hotel etc are the well known factors which affect the tourism industry positively and negatively in the world.

This is what my brother told me

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Keep smiling world needs

Answer:

Rain, Hurricanes, Tsunamis, Mild winters where it rains instead of snows. When the ground is extremally dry with no moisture and a heavy downpour occurs and the ground has not been given time to be saturated and have a better ability to soak more water up.

Explanation:

Answer:

subduction

Explanation:

The correct matching of the terms given below:

An astronomical object known as a star is made up of a bright plasma spheroid that is held together by gravity.

The Sun is the star that is closest to Earth. Other stars are also visible at night with the unaided eye, but because to their great distances from Earth, they appear as stationary points of light.

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The metals are good thermal conductors when compared to non-metals. This is true.

Metals have a higher number of free electrons than non-metals, which makes them good heat conductors. When heated, these free electrons start to vibrate, collide with each other, and thus transfer heat energy.

Metals are hard, shiny, flexible, ductile, and sonorous. They conduct heat and electricity better than nonmetals. The properties of metals are explained by their structure and bonding.

Electromagnetic metals carry electrical charge through them because of the delocalized electrons. Thermal metal conductors carry thermal energy because delocalized electrons transport energy

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Answer:

Alternative energy refers to energy sources other than fossil fuels (such as coal, petroleum, and diesel) and includes all renewable and nuclear energy sources. ... Nuclear energy is produced by using elements like uranium and thorium, which cannot be replenished and have a finite amount in existence.

Explanation:

Plants need water to grow and maintain their structure. They absorb groundwater, that is, water collected below ground level due to percolation of rain water, through their root system. ... Vegetation plays an important role in the water cycle by preventing soil erosion and increasing groundwater levels.

Answer:

t

f

t

t

f

Explanation:

that's it in order

Group evolved from the Paleo and improved hunting and started fishing-----Paleolithic group were largely dependent on foraging and hunting.

Small bands of hunter-gatherers lived, worked, and migrated together before the advent of agriculture.

Paleolithic literally means “Old Stone [Age],” but the Paleolithic era was  more generally refers to a time period  in human history where foraging, hunting, and fishing were the first source of obtaining food. Humans had yet to experiment with domesticating animals and growing plants. Since hunter-gatherers can not rely on agricultural methods to produce food intentionally, their diets are  dependent on the fluctuations of natural ecosystems of world .

These included tubers, seeds, and  nuts, wild-grown barley that has been  pounded into flour, legumes, and flowers. Till  they had discovered fire and stone tools, it is believed that they were able to arrange and cook these foods.

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Answer:

D.

Explanation:

I chose D as my answer because any place could be rich in the resources people desire and such. While other areas are less rich and considered poor in environmental states. So, basically resources are distributed unevenly across the globe.

Answer:

The answer is D

Explanation:

Natural resources are things people use from nature like fossil fuels, water and minerals. Earth's natural resources are unevenly distributed across the globe. This can be explained by geological process like the movement of tectonic plates, erosion and volcanic activity.

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Answer:

it could be all of them but I hink it is C.

Explanation:

Answer:

Hey mate....

Explanation:

This is ur answer.....

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