A change in the way something reflects light; can indicate a chemical
change
Answers
Answer:
A change in the way something reflects light very well can indicate a chemical
change.
Related Questions
A study being conducted on the effects of a specific enrichment activity on primates at a zoo observes that there is a 30% chance that a primate will not be willing to participate enough to complete the study, independent of the other primates. There are two groups of 10 primates being studied. What is the probability that in exactly one of the groups, at least 9 primates complete the study?
Answers
The probability that in exactly one of the groups, at least 9 primates complete the study is 58.24%.
In a study of the effects of a specific enrichment activity on primates at a zoo, a 30% chance exists that a primate will not be willing to participate enough to complete the study, independent of the other primates. Two groups of 10 primates are being studied. The probability that in exactly one of the groups, at least 9 primates complete the study can be calculated using the binomial distribution function.
The formula for the binomial distribution function is as follows: P (X = k) = (n C k) pk qn - k, where P (X = k) is the probability of k successes in n trials, p is the probability of success, q is the probability of failure, n is the number of trials, and (n C k) is the binomial coefficient.
In this case: P (X = 9) = (10 C 9) (0.7)⁹ (0.3)¹ = 10 (0.7)⁹ (0.3) = 0.3P (X = 10) = (10 C 10) (0.7)¹⁰ (0.3)⁰ = 1 (0.7)¹⁰ (1) = 0.2824
The probability of at least 9 primates completing the study in one group is P (X = 9) + P (X = 10) = 0.3 + 0.2824 = 0.5824.
The probability that in exactly one of the groups, at least 9 primates complete the study is 58.24%.
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which of the following energy sources produces the most air pollutants when used during the generation of electricity?responsesuraniumuraniumphotovoltaic cellsphotovoltaic cellsfuel oilfuel oilnatural gas
Answers
Among the given energy sources, fuel oil produces the most air pollutants when used during the generation of electricity.
When it comes to air pollution from electricity generation, fuel oil is known to produce the highest amount of pollutants. Fuel oil, a fossil fuel derived from crude oil, contains high levels of sulfur and other impurities. When burned in power plants, it releases significant amounts of sulfur dioxide (SO2), nitrogen oxides (NOx), particulate matter, and greenhouse gases, contributing to air pollution and climate change. These pollutants have adverse effects on human health and the environment, including respiratory problems, smog formation, and acid rain.
In contrast, uranium and photovoltaic cells produce significantly fewer air pollutants during electricity generation. Uranium-based nuclear power does not emit air pollutants directly but has concerns related to the safe disposal of radioactive waste. Photovoltaic cells, also known as solar cells, convert sunlight into electricity without producing air pollutants. This renewable energy source is a clean and sustainable option for electricity generation.
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PLEASE HELP IM DOING AN EXAM ILL GIVE BRAINLIEST
Old computers are often sent to landfills.
What can people do to reduce the number of computers in landfills?
Select all that apply.
O Recycle parts of old computers for their various metals.
O Repurpose old computers for other needs.
Keep old computers at home and never throw them away.
O Always buy the newest computer available on the market.
Answers
Answer:
Recycle parts of old computers for their various metals.
Repurpose old computers for other needs.
2. What is the relief between the red arrow and blue arrow?
3. Which satellite image shows the landform featured in this map?
I need answers fast it’s overdue and i’m literally struggling please
Answers
1. The relief between the red arrow and blue arrow is the difference in elevation between the two locations. The elevation is typically measured in meters or feet, and can be seen in the contour lines on the map.
What is locations?Locations are usually places or areas where something is happening. They can be physical places such as a building, street, park, beach, or mountain, or they can be more abstract such as a particular situation, a concept, or an emotion. Locations are often used in literature, film, and television, to help establish a setting in which the story takes place. Locations can also be used to refer to a person's mental and emotional state, such as feeling lost, scared, or excited. Locations can also refer to a specific point in time, such as a moment in history or a particular period or era.
2. The satellite image showing the landform featured in this map is a false-color image. False-color images are created by combining red, green, and blue bands of light reflected off the ground in a way that makes them appear as a single image. This image allows us to better identify and distinguish the different landforms.
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the most versatile method for sterilizing heat-sensitive liquids is
Answers
Answer:
Filtration
Explanation:
The most versatile method for sterilizing heat-sensitive liquids is Filtration.
Hope this helps!
which of the following is an issue with the sources of water and how we use it? a.) water demand is decreasing because of human population growth. b.) we are experiencing a decline in the waste of water. c.) the water cycle moves water through the environment, but the water supply is finite. d.) there has been an increase in aquifer water levels.
Answers
A cone of depression, which is a localised drop inside the ground water around the pump caused by the pumping of groundwater, is typical. The local water table may dramatically decline when there are many wells which have been pumping for a long time.
Describe groundwater.
The most recent acceptable revision was examined on August 22, 2021. Water found in soil pores, rock pore spaces, and rock formation cracks is known as groundwater. It is found below the surface of the Earth. When it can produce a sufficient amount of water, a unit of stone or an uncemented deposit is referred to be an aquifer.
Where is underground water kept?
The majority of the time, groundwater is kept underground when it gets wet into the ground after precipitation.
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How do sea otters keep from drifting apart while they sleep.
Answers
Answer:
They hold each other's cute hands!!! :3
Explanation:
Does this help you???
Systematically explain the functional significance of different
parts of the brain
Answers
The brain consists of the cerebral cortex, limbic system, basal ganglia, thalamus, brainstem, cerebellum, and corpus callosum, which collaboratively enable cognitive processes, emotional responses, motor control, sensory perception, and information integration.
Different parts of the brain are Cerebral Cortex, Limbic System, Basal Ganglia, Thalamus, Brainstem, Cerebellum, and Corpus Callosum.
The brain is a complex organ that consists of various parts, each with its own unique functions. Here is a systematic explanation of the functional significance of different parts of the brain:
Cerebral Cortex: The cerebral cortex is the outer layer of the brain and is responsible for higher cognitive functions such as thinking, reasoning, perception, and voluntary movement. It is divided into four lobes: frontal, parietal, temporal, and occipital. Each lobe has specific roles, for example:
Frontal lobe: It is involved in decision-making, problem-solving, and motor control.
Parietal lobe: It processes sensory information, spatial awareness, and perception.
Temporal lobe: It plays a role in memory, language processing, and auditory perception.
Occipital lobe: It is primarily responsible for visual processing.
Limbic System: The limbic system is a group of structures located deep within the brain and is involved in emotion, memory, and motivation.
Key components include the hippocampus (memory formation), amygdala (emotion and fear processing), and hypothalamus (regulation of basic drives like hunger, thirst, and sexual behavior).
Basal Ganglia: The basal ganglia are a group of structures involved in motor control, procedural learning, and habit formation. They help initiate and regulate voluntary movements and are also implicated in Parkinson's disease and other movement disorders.
Thalamus: The thalamus acts as a relay station for sensory information, directing signals to the appropriate areas of the cerebral cortex for processing. It is crucial for sensory perception, attention, and consciousness.
Brainstem: The brainstem is the oldest and most primitive part of the brain, responsible for vital functions necessary for survival, including regulating heartbeat, breathing, and maintaining basic levels of consciousness. It comprises the midbrain, pons, and medulla oblongata.
Cerebellum: The cerebellum is located at the back of the brain, below the cerebral cortex. It plays a critical role in coordinating and fine-tuning motor movements, maintaining balance and posture, and motor learning.
Corpus Callosum: The corpus callosum is a bundle of nerve fibers that connects the left and right hemispheres of the brain. It facilitates communication and information exchange between the two hemispheres, enabling integration of sensory and motor functions.
It's important to note that this is a simplified overview, and each brain region interacts with others to support complex cognitive and physiological processes.
The brain's functional significance arises from the intricate connections and interactions between these various parts, allowing for the integration of information, control of bodily functions, and the basis of our cognitive abilities.
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Most experiments in ecology are quick and can be done in a lab.
true or false
Answers
Answer:
The answer is true b/C can be done in lab
a collection of cloned dna fragments representing the organism's entire genome is called a
Answers
A collection of cloned DNA fragments representing the organism's entire genome is called a genomic library.
A genomic library is a collection of cloned DNA fragments that together represent the entirety of an organism's genome, which can be used for various genetic studies, such as gene mapping, sequencing, and expression analysis.
The genomic library is created by isolating and breaking down the DNA from the organism's genome into smaller fragments using restriction enzymes, which are enzymes that cleave DNA at specific nucleotide sequences.
The fragments are then ligated into a vector, which is a DNA molecule that is used to carry the DNA fragments into host cells, and the vector is introduced into a bacterial or yeast host cell for cloning. The resulting library contains thousands to millions of bacterial colonies, each containing a cloned fragment of the genome.
The genomic library can be screened using various techniques to identify specific genes or DNA sequences of interest. For example, a probe can be designed that is complementary to a particular gene or DNA sequence, and the library can be screened using this probe to identify clones that contain the target sequence.
Overall, the genomic library is an essential tool in genetic research, allowing researchers to study the structure and function of genes and genomes in various organisms. It can provide insights into disease-causing mutations, genetic diversity, and evolutionary relationships between species.
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What of matter are always moving
True
Or
False
Answers
Answer: True?
Explanation: The wording of the question is confusing?
The four parts of a seed include all of the following, except _____.
a. seed
b. embryo
c. cotyledon
d. epidermis
e. endosperm
f. coat
Answers
vascular rings
Describe the process of photosynthesis,include what is needed and what is produced.Provide an explanation as to why photosynthesis is needed for plants to maintain homeostasis.
Answers
Answer:
The process by which plants are prepared their own food by taking carbon dioxide from air and water from roots in the presence of sunlight and chlorophyll is called photosynthesis.they produced oxygen
6Co2 + 6H2o =C6H12O6 + 6O2
Explanation:
photosynthesis is ascential for their growth & development
Hepatitis disease primarily targets lungs. (True/False )
Answers
Answer: false
Explanation: its an liver condition
In Labrador retrievers, black coat (B) color is dominant to brown (b). Suppose that a black Lab is mated with a brown one and the offspring are four black puppies and one brown puppy. What can you conclude about the genotype of the black parent
Answers
Answer:
the black parent was possibly is a litter of a black Labrdor family therfore giving a solid brown
Explanation:
a full black labrador cannot prudouce a Solid brown pup even with a brown parent you would get either a black with brown spots or brown with black spots, therefore the black parent is a liter of a black and brown litter.
Which natural event can result in air pollution?
1. burning fossil fuels
2.littering a stream
3.runoff from farms
4.volcanic eruptions
Answers
Answer:
Number 1.
Explanation:
Burning fossil fuels leads to air pollution from smoke and other chemicals, causing the ozone layer to burn out, and the earth to take in more radiation from the sun.
What is one of the main advantages of asexual reproduction?
There is a smaller chance of mutation.
o It occurs more slowly than sexual reproduction.
It creates more genetic variety
The offspring varies from the parent.
Answers
Answer:
There is a smaller chance of mutation.
Explanation:
what features of sandworms would lead you to believe that they are free-living predators
Answers
The combination of powerful jaws, a well-developed digestive system, and the ability to move through the sand suggest that sandworms are free-living predators.
Sandworms are a group of marine worms that inhabit sandy ocean floors and are known for their long, slender bodies.
There are several features of sandworms that suggest they are free-living predators.Firstly, sandworms have powerful jaws and teeth that are used to capture and consume prey. These jaws are located at the anterior end of their bodies, and they can extend them out of their mouths to grasp prey items. Sandworms are also equipped with sharp, curved teeth that are capable of tearing through the tough exoskeletons of crustaceans and other invertebrates.Secondly, sandworms have a well-developed digestive system that allows them to extract nutrients from their prey. They have a muscular pharynx that can be extended out of their mouths to engulf prey and a long, coiled intestine that can digest the food. Sandworms also have a pair of digestive glands that secrete enzymes to help break down the food.Lastly, sandworms are able to move through the sand in search of prey. They have a hydrostatic skeleton that allows them to contract and expand their bodies, and they can use their bristly parapodia to anchor themselves in the sand and move forward. Sandworms also have well-developed sensory organs, such as eyes and tentacles, that can detect prey items and other environmental cues.To learn more about sandworms here:
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Which phrase from the excerpt best helps the reader understand what a mid atlantic ridges ridge is.
- other parts of the world oceans
-part of an even bigger undersea range
-enormous red worms
-underwater hot springs
Answers
The phrase from the excerpt best helps the reader understand what a mid atlantic ridges ridge is b. part of an even bigger undersea range
This indicates that the ridge is not just a standalone feature but rather a part of a larger geological structure that runs through the ocean floor. The mid-Atlantic ridge is, in fact, the longest mountain range in the world and spans over 10,000 miles. It is located at the boundary of two tectonic plates that are moving away from each other, causing magma to rise and form new crust. This process is known as seafloor spreading and is responsible for the creation of the ocean floor.
The mid-Atlantic ridge also plays a crucial role in the exchange of heat and chemicals between the Earth's interior and the ocean, and supports a unique ecosystem of organisms that thrive in the extreme conditions of underwater hot springs. So therefore the correct answer is b. part of an even bigger undersea range best helps the reader understand what a mid-Atlantic ridge is.
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(Please help :( >>What states of water occur in the water cycle? (Site 2)
Answers
Answer:
Water can occur in three states: solid (ice), liquid, or gas (vapor). Solid water —ice is frozen water. When water freezes, its molecules move farther apart, making ice less dense than water.
Hope this helps :)
Explanation:
Urgent! Please help me in this
Answers
The hydrolysis of sucrose can be represented by the following chemical equation:
\(C_{12}H_{22}O_{11} + H_2O --> C_{6}H_{12}O_6 + C_{6}H_{12}O_6\)
What is the equation of the hydrolysis of sucrose?Sucrose is a common type of sugar that is found naturally in many plants. It is a disaccharide composed of glucose and fructose molecules linked together.
The equation of the hydrolysis of sucrose is given below:
\(C_{12}H_{22}O_{11} + H_2O --> C_{6}H_{12}O_6 + C_{6}H_{12}O_6\)
In this equation, sucrose reacts with water to yield glucose and fructose. This reaction is catalyzed by the enzyme sucrase.
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The activity in our brain that decides whether a behavior should be repeated and stored is ______.
Answers
The activity in our brain that decides whether a behavior should be repeated and stored is a habit loop.
Brain is the regulator of all the activities in an organism's body. Its function is to send and receive signals. The brain cells called neurons are involved in this transport. They send the signals from the brain to the rest of the body and vice-versa. The movement of body, pumping of heart, the digestion, excretion, breathing, etc. are all regulated by the actions of brain.
Habit loop is a neurological concept that prompts any person to do any certain activity. The loop comes in three parts: cue, routine, and reward. Any kind of cue triggers the brain to perform any work routinely that comes with a certain reward. The reward can be positive or negative, depending upon the work performed.
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Which statement describes carrying capacity as it relates to a group of prairie
dogs?
A. The amount of food and water available for prairie dogs in an area
B. The amount of space available for prairie dogs to live in an area
C. The maximum number of prairie dogs that an area can support
D. The maximum number of predators that can live in an area without
killing off all the prairie dogs
Answers
Answer: Option C
I hoped that helped!
The maximum number of prairie dogs that an area can support.
What affects wearing capability?Wearing potential, or the wide variety of individuals that an environment can sustain over time without destroying or degrading the environment is determined via some key elements: meal availability, water, and area.
How do you degree the carrying ability of a habitat?Wearing ability may be anticipated via calculating the total vicinity and an overall populace of that place.
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The digestive system below contains a mouth, a salivary gland, a stomach, a duodenum, and a pancreas. Which of the following foods will digest most completely in this system?
A. Chicken
B. Ice cream
C. Butter
D. Pasta
Answers
Answer:it’s pasta not butter
Explanation:
What giant bug like organism is the janitor of the ocean?.
Answers
Answer:
Giant isopod
Explanation:
While a giant isopod may resemble a creepy oversized bug or a dangerous underwater alien, it's actually a deep-sea dwelling crustacean that plays an essential role in keeping the seafloor clean.
In gerontology, the _____ show some mental or physical deterioration and depend on others for carrying out their daily activities.
Answers
In gerontology, the term frailty show some mental or physical deterioration and depend on others for carrying out their daily activities.
Frailty is a common condition among older adults and is characterized by decreased physiological reserves, increased vulnerability to stressors, and a higher risk of adverse health outcomes. Frail individuals may experience difficulties with mobility, cognition, self-care, and overall functional independence, requiring assistance or support from caregivers or healthcare professionals.
Frailty is a complex and multidimensional concept in gerontology that encompasses various aspects of physical, psychological, and social well-being. Physical signs of frailty may include muscle weakness, decreased endurance, unintentional weight loss, and reduced physical activity. Cognitive changes such as memory decline, confusion, and difficulty with decision-making may also be present. Psychologically, frail individuals may experience feelings of vulnerability, fear, and dependence on others.
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What is it called when neurons lose their synapses?
Answers
Synaptic pruning occurs in the brain spontaneously between early infancy and adolescence. During this process, more synapses are removed by the brain.
In particular, adolescence and adulthood. During this process, more synapses are removed by the brain. Synapses are areas of the brain that provide electrical or chemical communication between one neuron and another neuron. Synaptic pruning is thought to remove connections from the brain that are no longer required. Recent studies have shown that the brain is more "plastic" and moldable than previously thought. Our bodies employ synaptic pruning as we get older and learn more complex information to maintain better brain function.
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Living organisms must constantly take in energy in order to power functions necessary to remain alive. All of the chemical reactions that involve energy conversions within a cellare called
Answers
Living organisms must constantly take in energy in order to power functions necessary to remain alive. All of the chemical reactions that involve energy conversions within a cell are called metabolic reactions or simply metabolism.
Metabolic reactions can be defined as the chemical reactions taking place inside the cells of living organisms that convert food into energy, synthesize new molecules, and eliminate waste materials. Metabolic reactions are of two types - catabolic reactions and anabolic reactions. The catabolic reactions break down complex molecules into simpler ones, releasing energy in the process. Anabolic reactions, on the other hand, use the energy produced during catabolic reactions to synthesize new molecules.
The significance of metabolism lies in the fact that it is the process by which living organisms derive the energy they need to perform their functions. It is a fundamental feature of life, and without it, no organism would be able to survive. In short, metabolism is the sum total of all the chemical reactions that occur within an organism to maintain life.
In short, metabolism is the sum total of all the chemical reactions that occur within an organism to maintain life.
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What did chargaff conclude from the observation that in double-stranded dna, adenine is found in the same amount as thymine, and that guanine is found in equal amounts as cytosine?
Answers
Erwin Chargaff concluded that in double-stranded DNA, adenine is present in the same amount as thymine, and guanine is present in equal amounts as cytosine.
Erwin Chargaff, an Austrian biochemist, concluded from the observation that in double-stranded DNA, adenine is present in the same amount as thymine, and guanine is present in equal amounts as cytosine. Chargaff’s rule of base pairing states that the number of adenine bases should be equal to the number of thymine bases, and the number of guanine bases should be equal to the number of cytosine bases in the DNA molecule. There is always a one-to-one ratio between the purines and pyrimidines.
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A researcher conducted studies on proteins obtained from mouse livers. He discovered a novel protein and decided to study its genetic origins. During his tests, the researcher found the mRNA sequence AUUCGGUACUGUACUAGC. What is the DNA sequence that was used for synthesizing this mRNA sequence?
Answers
Answer:
TAAGCCATGACATGATCG
Explanation:
Transcription is the process of transfer of genetic information from DNA to RNA, typically to a messenger RNA (mRNA). During transcription, a particular DNA sequence called 'gene' is used as template to create an mRNA which is subsequently used to synthesize a protein by the process of translation. During this process (transcription), Uracil (U) bases pair with Adenine (A) and replace thymine (T) bases in RNA.
Answer:
C
Explanation:
