is leaves a sample matter why?​

Answers

Answer 1
A leaf is a sample of matter because it has mass and it takes up space due to its volume. Moreover, the leaf is considered as matter as it is made up of billions of atoms.

Related Questions

Most home energy use goes toward _____.
A]washing clothes and cooking
B]heating and cooking
C]hot water and appliances
D]heating and hot water

Answers

Answer:

washing clothes and cooking

I think the answer is c but I’m not 100% sure

Why would a large company want to provide a safe and indoor air pollution free environment for their workers?
a. They want their workers to be healthy and not sick for monetary reasons.
b. Companies that deal with sick building mitigation charge a great deal of money.
C. Companies want to remain in compliance with city building codes.
d. The sealing and caulking is ongoing and difficult to maintain.
e. All of the above

Answers

Answer:

a. They want their workers to be healthy and not sick for monetary reasons

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Answers

UHH A OR B I THINK MAYBE

Answer:

pollute groundwater

Explanation:

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Begin by selecting a freshwater or marine aquatic ecosystem as a model for your food web. Be specific. Choose a specific lake. Or, if you choose an ocean ecosystem, identify its geographical area and depth. Keep in mind that deep-sea organisms live in a completely different environment than surface aquatic organisms.


Next, conduct research on the following conditions in the ecosystem you chose. They influence the types of organisms that can live there.


geographical features

temperature

depth/light availability

salinity

pH

unique features that contribute to the ecosystem, such as other bodies of water that connect to it, unusual chemistry, and climate

Using the information you gathered, write a paragraph that describes conditions in the ecosystem.

Answers

How much time do you have, this may take at least 30 minutes?

which of the following statements about the intent of earth's global ocean is correct

Answers

Answer:

4

Explanation:

the ocean covers 70% and land covers 20%

What happened at the end of the most recent ice age?

Answers

Answer:

What ended the last ice age?

That CO2 then warmed the globe, melting back the continental ice sheets and ushering in the current climate that enabled humanity to thrive. That, at least, is the story told by a new paper published in Nature on April 5 that reconstructs the end of the last ice age.

Explanation:

Hope that this has helped you out! :)

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List AND Describe the 3 physical properties of water.

Answers

Answer:

the three main ones that i could find is

Solid

Liquid

Gaseous

solid because you can freeze it.

liquid because thats its natural form

and gaseous because you can steam it.

Most scientists theorize that prokaryotic cells evolved before eukaryotic cells based on
which observation?
Eukaryotic cells are smaller.
O Prokaryotic cells are the only ones with cell walls.
Prokaryotic cells are less complex,
Eukaryotic cells have ribosomes.

Answers

Answer: I'm not 100% sure but it is either prokaryotic cells are the only ones with cell walls or prokaryotic cells are less complex because their both true about prokaryotic cells

Explanation:

PLEASE HELP ME ON THIS QUESTION ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

a. low diversity

Explanation:

What will pair with adenine?

Answers

In DNA base pairing, adenine always pairs with thymine, and guanine always pairs with cytosine. Adenine is also one of the bases in RNA. There it always pairs with uracil (U). The base pairs in RNA are therefore A-U and G-C.

What Are The Reason(s) the Body Responds to Stimuli?

Answers

Answer:

All living things are able to respond to stimuli in the external environment. To detect stimuli, organisms have means for receiving information, such as eyes, ears, and taste buds.

Explanation:

Explain how scientific study is always an ongoing process?

Answers

while scientists have made enormous discoveries, there is always more to learn. Knowledge is built on and reviewed. Sometimes new information reveals an error in understanding from the past. The study of how the world works is always ongoing.

Compare and contrast the location and function of ribosomes in prokaryotic and eukaryotic cells.

Answers

Answer:

Explanation:

In eukaryotic cells, ribosomes are found in the cytosol of a cell, the mRNA , endoplasmic reticulum and also the matrix of the mitochondria. They are large molecules that catalyzes the synthesis of proteins, which is called translation. The ribosome choose tRNA and covalently links the amino acids into a polypeptide chain.

In prokaryotes, it can be found in cystosol and it help translate genetic code into protein.

Is it good or bad to have exactly the same hereditary traits?​

Answers

Answer:

Both

Explanation:

Well,it has both good and bad aspects.In my opinion,hereditary traits possess good side through the genetic factors whereas it shows negativity as it may cause some diseases or hard complications.

Answer:

Heredity is important to all living organisms as it determines which traits are passed from parent to child. Successful traits are more frequently passed along and over time can change a species. Changes in traits can allow organisms to adapt to specific environments for better rates of survival.

Explanation:

What are the steps of gene expression?


A) 1. DNA gives rise to proteins. 2. Proteins make genes. 3. Genes are traits.

B) 1. RNA makes proteins. 2. Proteins catalyze chemical reactions. 3. Chemical reactions result in DNA.

C) 1. DNA forms genes. 2. Genes are expressed proteins. 3. Proteins give rise to RNA.

D) 1. DNA gives rise to RNA. 2. RNA gives rise to proteins. 3. Proteins catalyze chemical reactions that generate traits.​

Answers

i am not good in this but i will be glad to help your Answer is : A

The following is a growth curve of bacteria. What type of growth curve is pictured? A) linear growth B) logistic growth C) exponential growth​

Answers

Answer:

C) exponential growth​

In the given figure, exponential growth curve is pictured.

What is exponential growth?

It is the pattern of data, which demonstrates greater enhancements with passing time, giving rise to a curve of an exponential function. During the growth cycle of bacteria, the cells of bacteria goes through different phases, that is:

Lag phaseExponential phaseStationary phaseDeath phase

In the case of bacteria, the cells enter the log or the exponential phase after the lag phase. This is the time when the cells get differentiate by the process of binary fission and double in numbers after each generation time.

In this pattern of growth, the metabolic activity is high as RNA, DNA, the components of the cell wall, and other substances essential for growth are generated for differentiation.

Thus, the pattern of growth demonstrated in the given figure is exponential growth.

Find out more information about the growth curves here:

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This makes a water molecule a ___ which allows for other water molecules to "stick" together
A . non-polar molecule
B. ionic molecule
C. polar molecule

Answers

B ionic molecule should be the answer

Answer:

Polar molecule

Explanation:

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What can mrna do that dna cannot?

Answers

mRNA can leave the nucleus while DNA can not

Answer: b

Explanation:

What were the sources of genetic variation in the population?

Answers

Answer:That is, the fraction 48 can be converted to decimal by dividing 4 by 8 . It can be converted to percent by multiplying the3 this is kne f3rcdwecdecfefvrgbvgrbv

Explanation:

and this is sound nba moruf  nba mdidd

True or false: Photosynthesis is an important part of the carbon cycle.
А
True
B
False

Answers

Photosynthesis is an important part of the carbon cycle - True.

may this helps you

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It is true that photosynthesis is an important part of the carbon cycle. The correct option is A.

What is the role of photosynthesis in carbon cycle?

Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into oxygen and sugar energy.

Plants absorb carbon dioxide and sunlight during photosynthesis to produce fuel glucose and other sugars for plant structure construction. The fast (biological) carbon cycle is built on this process.

The carbon cycle includes cellular respiration and photosynthesis. The carbon cycle refers to the processes by which carbon is recycled in the biosphere.

While on the other hand cellular respiration emits carbon dioxide into the environment, photosynthesis absorbs carbon dioxide.

Carbon dioxide is removed from the atmosphere by photosynthesis and replaced by cellular respiration. Photosynthesis takes oxygen from the atmosphere and cellular respiration replenishes it.

Thus, the correct option is A.

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I need this question nowwwwww

Answers

Answer:

C. .. the earth is between the sun and the moon which is exactly the position of these three bodies during a lunar eclipse

A food web is more realistic because a snake
A. has multiple adaptations

B. eats more than just frogs

C. just feeds on birds

Answers

Answer:

B. eats more than just frogs

Explanation:

A food web is more realistic because a snake eats more than just frogs

A food web is more realistic because a snake eats more than just frogs. The correct option is B.

What is a food web?

A food web is a network of interrelated food chains that represents the movement of materials and energy within an ecosystem. In a food chain, the various arrows symbolize the various species that are being consumed by one another and so represent the flow of energy. Additionally, it shows that an animal can eat a variety of foods.

Food chains that are linked together form food webs. In a food chain, arrows point from the organism being eaten to the organism eating it.

The energy flow in a food web is depicted by arrows. Food webs display every form of eating in an environment.

Thus, the correct option is B. eats more than just frogs.

To learn more about the food web, refer to the link:

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2 examples of decomposers are
plants

bacteria

fungus

animals

Answers

Answer:

Fungus and bacteria

Explanation:

ANIMALS ARE NOT PLANTS

Answer:

bacteria

fungus

Explanation:

Fungus, worms, and bacteria are all examples

4. Which of the following is NOT true of the digestive system? a. The stomach contains acids to break down food b. Digestion begins with enzymes in the stomach c. The large intestine absorbs water from the digestion of nutrients d. The small intestine does most of the absorption of nutrients

Answers

Answer:

B. Digestion begins with enzymes in the stomach

Explanation:

The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach. Saliva also has an enzyme that begins to break down starches in your food.

What is smog? The answer choices are in the picture below...

Answers

Answer:

C. A smoky haze that forms when exhaust is trapped close to Earth's surface

plans to stop deforestation?

Answers

Answer:

Start planting trees

Explanation:

That's the sum of the domestic campaign so far.Soon all the neighbors will be carbon copying each other.

Answer:

Deforestation can be averted by various countermeasures. First of all, we should afforestation which is growing of trees in the forest. This would help to resolve the loss of the trees cut down. Moreover, the use of plant-based products should increase.

Explanation:

Some examples:

Begin by hugging a tree. ...

Start planting trees. ...

Stop printing and go paperless. ...

Recycle paper and cardboard. ...

When shopping, move towards buying recycled products mainly. ...

When at home, recycle as much as possible.

Hope this helps     :)

Hurricanes and severe storms can lead to flooding. Homes are damaged from rising water. The water can enter the home through broken doors, windows, and roofs. Homeowners need to quickly remove the standing water. Which answer is least related to a homeowner quickly working to achcieve a healthy home?

A. Limiting human and pet parasites
B. Removing mosquito and insect larvae
C. Preventing the growth of mold and mildew
D. Settling home and medical insurance claims

Answers

Answer:

I would say that the answer is A :)

Explanation:

C. Preventing the growth of mold and mildew

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Answers

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Four students provide their teacher with an explanation of why photosynthesis is considered a chemical change. Luke: Photosynthesis is considered a chemical change because the CO2 molecules disappear and the O2 molecules reappear. Jackie: I know that photosynthesis is a chemical change because all of the reactants undergo a state of matter change and are all present as a product. Tara: Through photosynthesis, the CO2 and water are changed into new substance, glucose, therefore it is considered a chemical change. Skyler: Photosynthesis is a chemical change because solar energy is required. Which student provides the best explanation of why photosynthesis is a chemical change

Answers

Answer:

The best explanation was provided by the student Tara who said: "Through photosynthesis, the CO2 and water are changed into new substance, glucose, therefore it is considered a chemical change".

Explanation:

A chemical change is one which is not easily reversible and which results in the formation of new subsatances.

For example, in photosynthesis,a new substance, glucose is formed from the original substansubstances, carbon dioxide and water. Also, the reverse process of the formation of carbon dioxide and water from glucose is not easily obtained in plants.

From explanations provided by the students :

Luke does not give any explanation of the process but only an observation

Jackie's explanation does not state the main reason why a chemical change differs from a physical one.

Tara, gives the best explanation as the reason why a change that occcured is a chemical change is clearly stated.

Skyler does not state the main reason why photosynthesismis a chemical change as well, because even physical changes like evaporation of water involves solar energy.

Which of the following best describes the initial separation event in allopatric separation?
A. Geographic isolation
B. Isolated niche population
C. Partially isolated population
D. Genetic polymorphism​

Answers

Answer:

A. Geographic isolation

Explanation:

Allopatric speciation occurs when one population separates into two geographically isolated populations. The geographic isolation prevents gene transfer and reproduction, allowing for genetic divergence between the two populations.

Answer:

The  Answer is A

Explanation:

hope it helps

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