Water boiling is an example of a _____.
A. physical change
B. chemical change
C. physical property
D. chemical property

Answers

Answer 1

Physical change. Boiling water does not change the fundamental properties of the water, as it can turn back into water during condensation.


Related Questions

I'm usually really good in bio but I can't get this question.. I'm so confused.. Help plsss

Answers

Answer:Brainly Ginny character avatar

Hi again!

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17. The graph below shows the effect of

temperature on the relative rate of

action of enzyme X on a protein.

10 20 30 40 50 60 70 80

Temperature (°C)

Which change we not affect the

relative rate of a Qenzyme X?

(1) the addition of cold water when

the reaction is at 50°C

(2) an increase in temperature from

70°C to 80°C

(3) the removal of the protein when

the reaction is at 30°C

(4) a decrease in temperature from

40°C to 10°C

17

Brainly Ginny character avatar

AI-generated answer

The graph shows the effect of temperature on the relative rate of action of enzyme X on a protein. To determine which change would not affect the relative rate of enzyme X, let's analyze each option:

(1) The addition of cold water when the reaction is at 50°C:

Adding cold water would lower the temperature, which could potentially decrease the rate of enzyme activity. Therefore, this change would affect the relative rate of enzyme X.

(2) An increase in temperature from 70°C to 80°C:

Increasing the temperature typically increases the rate of enzyme activity. So, this change would likely affect the relative rate of enzyme X.

(3) The removal of the protein when the reaction is at 30°C:

Removing the protein would eliminate the substrate for enzyme X to act upon. Without the substrate, the enzyme cannot catalyze the reaction, resulting in no rate of enzyme activity. Therefore, this change would affect the relative rate of enzyme X.

(4) A decrease in temperature from 40°C to 10°C:

Lowering the temperature usually decreases the rate of enzyme activity. So, this change would likely affect the relative rate of enzyme X.

Based on the analysis, option (3) - the removal of the protein when the reaction is at 30°C - would not affect the relative rate of enzyme X. Removing the protein would stop the reaction entirely, regardless of the temperature.

Explanation: In summary, option (3) would not affect the relative rate of enzyme X.

-thankyou-

--hope it helped you--

Based on the image given, which shows a graph of the effect of temperature on the relative rate of action of enzyme X on a protein, the change that would not affect the relative rate of action of enzyme X is:

(2) An increase in temperature from 70°C to 80°C.

Here's why:

The graph shows that the relative rate of action of enzyme X increases as the temperature increases up to a certain point, which is around 70°C in this case. This is because higher temperatures provide more kinetic energy to the enzyme molecules, making them more likely to collide with substrate molecules and form enzyme-substrate complexes.

However, once the temperature reaches a certain optimal point, further increases in temperature can start to denature the enzyme. Denaturation is the process by which the enzyme's three-dimensional structure unfolds and loses its function. This is because high temperatures can break the bonds that hold the enzyme's structure together.

In the graph, we can see that the relative rate of action of enzyme X starts to decrease after 70°C. This suggests that enzyme X is starting to denature at this temperature.

Therefore, an increase in temperature from 70°C to 80°C would likely cause further denaturation of enzyme X, leading to a decrease in its relative rate of action.

Here's a summary of the changes and their effects on the relative rate of action of enzyme X:

Shown in the diagram.

Complete Question:

what is the difference between variation and adaptation?

Answers

An adaptation is an inherited trait that increases an organism's chance of surviving and reproducing in its environment.

An adaptation is an inherited trait that increases an organism's chance of surviving and reproducing in its environment.

Thus, A heritable behavioral, morphological, or physiological characteristic that has developed through natural selection that preserves or improves an organism's fitness under a certain set of environmental conditions is referred to as adaptation.

Biological fitness, which controls the rate of evolution as indicated by changes in gene frequencies, is related to adaptation. When two or more species develop adaptations that interact with those of the other species, like with flowering plants and pollinating insects, they frequently co-adapt and co-evolve.

Features that have developed for one use may be coopted for another, as was the case with dinosaurs' insulating feathers and adaptation.

Thus, An adaptation is an inherited trait that increases an organism's chance of surviving and reproducing in its environment.

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Two species of shorebirds are both adapted to live in coastal marshes. One species outcompetes the other for the small fish that live within one niche in the marsh. What is likely to happen to the other species of birds?

Answers

Answer:

The population of other specie of birds will decline or other specie of birds will find some alternate source of food to survive.

Explanation:

According to the Competitive exclusion principle, which is also known as Gause's Law, two specie living in the same niche and feeding on the same resource cannot co-exist stably.

As we have well studied the theory of natural selection which states that only those organisms survive which have better tendency to compete for food and adapt to the environmental conditions.

Coming towards the question, what wi ll happen when One species outcompetes the other for the small fish , the other specie will not get enough food and will start to die or decline in population. Eventually either other specie needs to find another alternative food source for itself or migrate at some other location where there is less competition otherwise it will just not exist anymore at that niche.

Hope it help!

Which matter exists in the plasma state?
A. Sun
B. flour
C. water vapor
D. carbon dioxide

Answers

The sun exists in the plasma state.

You are welcome. Happy to help. :)

What branch of science would a scientist be interested in if he or she studied animals that live in the water?

Answers

If one is interested in studying animals that live underwater, Marine Biology is the way to go.

Marine Biology is a branch of science that involves the study of marine life. However, it is not the same as oceanography.

A marine biologist studies the life in the ocean, while an oceanographer studies the physical factors of the ocean.

For example, a marine biologist will study dolphins. But, an oceanographer will study the volcanic activity of the ocean.

Answer:life science

Explanation:

Which statement describes potassium-argon dating?

Answers

Final answer:

Potassium-argon dating is a method used by geologists to date rocks and minerals. It is based on the decay of isotope potassium-40 to argon-40. It is accurate due to the slow decay rate of K-40 which allows dating of very old materials.

Explanation:

Potassium-argon dating is a method used by geologists and archaeologists to date rocks and minerals. It is based on the decay of the isotope potassium-40 (K-40) to argon-40 (Ar-40). The time of decay is set to be the ‘age’ of the rock or mineral. The accuracy of this method is high due to the slow decay rate of K-40, which makes it suitable for dating materials that are millions or even billions of years old.

In this method, the sample is first liquified in a vacuum to drive out any argon gas. It is then reheated in a vacuum and the gas that is given off is measured to determine the amount of Ar-40. The remaining solid sample is also analyzed to determine the amount of K-40. The date of the sample is then calculated based on the ratio of these two isotopes.

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Which of the following is not an option for solving the world water crisis?

a.

desalination

b.

finding new sources of freshwater

c.

reducing overconsumption

d.

wastewater treatment plants



Please select the best answer from the choices provided


A

B

C

D

Mark this and return Save and Exit Next

Answers

Would the answer be A?

I believe D is the correct answer.

What are the dark areas on the surface of the sun

Answers

They are called the Coronal Holes.

Close up, you'll see that a sunspot has a central dark area—called the umbra, which appears dark because it's cooler than the rest of the Sun's surface


On steep slopes of mountains___ helps reduce erosion by creating level areas for crops?

Answers

Q: On steep slopes and mountains,____ helps reduce erosion by creating level areas for crops.

A: terracing

Answer: A

Explanation:

What type of cell could have a plasma membrane, mitochondria, ribosomes, a nucleus, a golgi body, and an endoplasmic reticulum, but will not have a cell wall or chloroplasts

Answers

I believe it's Animal cell

ANIMAL CELLS have a plasma membrane, mitochondria, ribosomes, cell nucleus, Golgi apparatus, and endoplasmic reticulum, but they lack cell walls or chloroplasts.

All cells have a plasma membrane that separates the internal cell medium from the surrounding environment.

All eukaryotic cells have:

Mitochondria: the energy centres of eukaryotic cellsRibosomes: are organelles where protein synthesis takes place Cell nucleus: contains the genetic material (DNA).Golgi apparatus and endoplasmic reticulum: responsible for synthesizing and processing proteins and lipids.

However, only plant cells have cell walls and chloroplasts.

In conclusion, ANIMAL CELLS have a plasma membrane, mitochondria, ribosomes, cell nucleus, Golgi apparatus, and endoplasmic reticulum, but they lack cell walls or chloroplasts.

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Describe how the red crab spider is adapted for its unique method of hunting.

Answers

Answer:The red crab spider hunt and feed on insects that are found on the nectar of flowers. The red crab spider is adapted to its unique hunting style in the following ways It can change its color to blend with the environment

The red crab spider is adapted for its unique method of hunting because it hold its prey and inject venom in its body by biting.

How the red crab spider is adapted for its unique method of hunting?

Crab spiders capture their prey with their front four legs and bite it in order to inject venom to paralyze their meal. The use of venom allows crab spiders to capture and eat large insects.

So we can conclude that the red crab spider is adapted for its unique method of hunting because it hold its prey and inject venom in its body by biting.

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Aggression that develops when the animal is confused about what the owner wants is _______ aggression

Answers

Aggression that develops when the animal is confused about what the owner wants is conflict-related aggression.

Explanation:

Most behaviourists show the dominance aggressive action is normally referred as Conflict-related aggression. In general, when aggressive action passes to dog’s owner if dominant dog is internally confused or threatened the social position called dominance aggression.

There are many types of aggression, some are pain-related, territorial, conflict-related, etc. In that, conflict-related aggression is usually directed at a known person. It is happened by internal conflicts and presented in the context of interactions.

______ is a nonliving part of an ecosystem that gives plants the energy they need to make food. A) sunlight B) a germ C) wind D) oxygen gas

Answers

The answer is: A) sunlight.


HELP!! I'M SOBBING!

Water is important to living creatures. They need water to move nutrients into cells and to help them move wastes and toxins out of the body.
How do living animals obtain their water?
A) bathing
B) drinking
C) rain
D) swimming

Answers

It is B. Living animals obtain their water from drinking.

Help please, thank you, I'm crying for help. :(

Answers

It would be A because the ice in the cup is a solid, the melted ice is water which is a liquid, and the boiling water vapor is gas.

The answer is A)


Hope it helps;Pls mark as brainliest answer


The gene for black fur (B) is dominant over the gene for white fur (b) in mice. A homozygous dominant female and a heterozygous male produce 200 offspring during their lifetime. Approximately how many offspring would be expected to be homozygous dominant?
A
25
B
50
C
100
D
200

Answers

Homozygous would be BB and heterozygous would be Bb.

Knowing this we can put the info into a punnet square (pic is attached of mine)

As a result we see only half of them would be homozygous dominant, and half of 200 is 100.

So, the answer is C. 100

I hope that helps u!!


how does the lens of a light microscope work

Answers

Light from a mirror is reflected up through the specimen, or object to be viewed, into the powerful objective lens, which produces the first magnification. The image produced by the objective lens is then magnified again by the eyepiece lens, which acts as a simple magnifying glass.

Answer:

Reflection and magnification

Explanation:

A light microscope reflects and enlarges an image from a specimen. The specimen can be anything. It can be a plant cell, animal cell or in most advanced cases, small organisms such as viruses.

The light microscope depends on light. The light can be artificial or electric light. The light is shot through the specimen. It is reflected on the primary lenses. This light is reflected and magnified on the secondary lenses. This produces a magnified image.

Which type of substances serves as a catalyst for reactions that break large food molecules into smaller useful molecules

Answers

Enzymes serve as catalyst that breakdown large substance into smaller molecules. Enzymes are proteins that function as biological catalysts to speed up chemical reactions in an organism.

Answer:

Enzymes.

Explanation:

Enzymes are the substances which play the role of catalysts in bio-chemical reactions. These enzymes are proteins and play a very important role in glycolysis stage of cellular respiration in which large food molecule like glucose is broken down into smaller useful substance like pyruvate. Some enzymes which participate in glycolysis are phosphofructokinase, enolase, pyruvate kinase etc. This pyruvate is further converted into even smaller molecules like Acetyl-CoA which enters the next stage of cellular respiration known as TCA cycle.  

TCA cycle produces many intermediates (molecules) which are useful for other bio-synthetic pathways in the body. For example: Alpha-ketoglutarate which is an intermediate of TCA cycle is used in the synthesis of many amino acids like glutamine, proline, and arginine.

What is the junction between a nerve cell and another cell called: axon,synapse, dendrite,none of the above

Answers

its called a synapse

The benthic zone can be a challenging place for photosynthetic species to live because

Answers

My answer will be because, being located in such deep waters, it is difficult for them to receive sunlight and therefore start the development process. Only those species located in shallow benthic areas, such as seaweed and filamentous, can perform this process.

Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. of the remaining energy, some is used for the organisms life processes and the rest is...

Answers

The rest is eliminated as heat.


Answer:

the rest is eliminated as heat.

Explanation:

We can see that energy is passed to each organism in the food chain in a unidirectional way, always following the producer → decomposer direction. It is important to note that less energy is spent at each trophic level. Normally, only 5% to 10% of energy is passed to the next trophic level, and this phenomenon is called ecological efficiency. Given this low amount of transferable energy, a food chain hardly has more than five trophic levels. Most of the energy stored by the body at a trophic level is used in the body's metabolic processes, in addition, a part of the energy is eliminated in the form of heat.

what is the function of the optic chiasm?

Answers

It helps with the optic nerve, if you give me options i can help answer. Sorry if I didnt help :)

Final answer:

The optic chiasm is where the optic nerves from each eye meet and cross, allowing for the correct sorting of visual information to the opposite hemispheres of the brain, which is crucial for coordinated binocular vision and peripheral field perception.

Explanation:

The optic chiasm is a crucial neurological structure responsible for the proper processing of visual information. The optic nerves from both eyes enter the brain and intersect at the optic chiasm, an X-shaped structure located just beneath the cerebral cortex. This arrangement is pivotal for the sorting of visual information. At the optic chiasm, the nerve fibers carrying information from the right half of the visual field of both eyes project to the left side of the brain, while fibers carrying information from the left visual field project to the right side. This crossing of fibers allows for the coordination of visual information and is essential for binocular vision. Moreover, this decussation of nerve fibers is imperative for processing peripheral vision, as the medial retinae—which provide the peripheral visual input—cross over at this point.

Any damage to the optic chiasm can lead to deficits in visual field perception, such as loss of peripheral vision, which could be caused by a pituitary tumor pressing on the chiasm. Understanding the function and the potential implications of damage to the optic chiasm can thus be critical for diagnosing visual pathologies.

why do plants go through photosynthesis? HELP ASAP!!!!

Answers

Photosynthesis: Plants utilize solar energy from the sun to generate chemical energy for the plant to use in the form of ATP. Combined with carbon dioxide from the environment, plants use the solar energy to produce glucose, the essential structural molecule of plants, enabling them to grow.

Final answer:

Plants need to go through photosynthesis to create their own food in the form of glucose using sunlight, carbon dioxide, and water, and to release oxygen as a by-product, essential for the survival of most life forms on Earth.

Explanation:

Plants undergo photosynthesis to produce their own food and supply oxygen to the environment. Photosynthesis is a critical biochemical process that allows plants to harness energy from the sun and convert carbon dioxide and water into glucose (a form of sugar) and oxygen. This process not only provides energy for the plant's own growth and development but also supports life on Earth by producing oxygen for other organisms to breathe and organic compounds that serve as food for many forms of life.

Carbon dioxide, water, and sunlight are the primary ingredients for photosynthesis. During this process, glucose is synthesized, which is vital for the plant's survival and growth. Furthermore, the oxygen released as a by-product of photosynthesis contributes to the oxygen supply in our atmosphere, which is essential for the respiration of almost all living creatures, including humans.

Through photosynthesis, plants are able to fix carbon and play a pivotal role in the carbon cycle. They are autotrophs, meaning they produce organic compounds necessary for their metabolic processes without the need to consume other organisms. This sets the foundation for food chains, as other organisms depend on plants for sustenance.

Without photosynthesis, there would be little oxygen in the air, and the energy flow within ecosystems would cease, leading to dire consequences for all life forms. Hence, the importance of photosynthesis extends far beyond the life of plants and supports the complex web of life on our planet.

Play new sunlight to produce ATP during photosynthesis. how do plants produce ATP when the sun is not out?

A.plants are secondary consumers
B. Plants also use cellular respiration
C.plants extract ATP from the stars
D.plants are weak in the dark

Answers

The answer is; B

Cellular respiration occurs throughout the day in plants. It is during cellular respiration (breakdown of sugars made from photosynthesis) that ATPs are formed. The process of photosynthesis (that make the carbohydrates used in cellular respiration) process is what is government by the presence of sunlight.


Answer:i would also pick B ,cellular respiration

Explanation:

This abnormality is most likely the result of

1. circulation
2. competition
3. mutation
4. respiration

Answers

3 mutation. Mutation is when a gene is changed with no apparent cause mutation is your answer :}

An genetic abnormality without passing on from ancestor can occur only by one process called mutation.

What are the 2 types of cellular respiration and what makes them different

Answers

The two types of cellular respiration are: Aerobic Respiration and Anaerobic Respiration.

The Difference is during aerobic respiration, carbon dioxide, water, and ATP are produced meanwhile, during anaerobic respiration, lactic acid, ethanol, and ATP are produced.

Hoped I helped you out :)

Reputake means that:

Answers

Reputake refers to the process in the brain of neurons to retrieve chemicals that were not received by the next neuron.

Explain how the processes of aerobic cellular respiration and photosynthesis are related to one another.

Answers

During photosynthesis, the plant needs carbon dioxide and water-- both of which are released into the air during respiration, during respiration, the plant needs oxygen and glucose, which are both produced through photosynthesis

OLD COWS GO

OXYGEN/CARBON/GLUCOSE

Match the characteristics to the blood vessels.

Answers

Answer:

Arteries transport blood away to the different parts of the body from the heart. Arteries are the largest blood vessels in the whole body with elastic walls.  

Hence arteries match with carries blood away from the heart and largest blood vessel in diameter

Capillaries take blood from various parts of the body. It exchanges nutrients, oxygen, and waste with tissues or cells. These are the smallest blood vessels.

Hence capillary matches with exchanges nutrients with tissues and single walled.  

Veins transport the blood to the heart from the body. These vessels have a thin endothelial layer.  

Hence Vein matches with carries blood to the heart and has a thin endothelial layer.

characteristics of different blood vessels:Artery: They carry blood away from the heart. They have thick, elastic walls to cope with the high pressure of blood from the heart. They are not very flexible and have a narrow lumen (central space).

Vein: They carry blood towards the heart. They have thinner walls and less elastic fibers than arteries. They have valves to prevent blood from flowing backward. They have a wide lumen (central space).

Capillary: They are the smallest blood vessels. They have a thin wall that only allows for the exchange of gases, nutrients, and waste products between the blood and body cells. They are found throughout the body and link arterioles and venules.

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Which of the following is the role of rough ER

Answers

The rough ER is involved with protein synthesis. It helps to produce proteins and help them fold properly.

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