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zimovet [89]
3 years ago
7

How do the products and reactants of a chemical change compare?

Biology
1 answer:
steposvetlana [31]3 years ago
7 0
The correct answer for this question is "<span>The mass of the products equals the mass of the reactants because the same matter is present."

All chemical reactions follow the Law of Conservation of Mass which states that mass cannot be created nor destroyed. This means that mass is constant before and after a process. If ever it seems like the mass is not the same, it is possible that the missing mass was converted to something else.</span>
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Describe the behavior of the frog heart that you can elucidate from the force recording (e.g., mechanical events). How can you u
Sladkaya [172]

Answer:

P wave and R wave

Atrial contraction = P wave

Ventricular contraction = R wave

Explanation:

The behavior of the frog heart from force recording  can be classified into ; P wave and R wave.

utilizing the ECG ( Electrocardiogram) data the aspect of the force recording that is due to atrial contractions is the ; P wave while the force recording that is due to ventricular contractions is the ; R wave  the ventricular contractions is also known as QRS

ECG is used to record the electrical activities of a heart at rest

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3 years ago
What are sustainable use practices
Karo-lina-s [1.5K]
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3 years ago
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Darwin called the ability of an organism to survive and reproduce in its enviorment
lana66690 [7]
Darwin called the ability of an organism to survive and reproduce in its environment fitness.
Some organisms were fit to do all of these things, whereas others were not. 
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3 years ago
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When enzymes in your body digest your food, what type of biomacromolecule is at work?
Lelechka [254]

Answer:

Fat, starch, sugars and protein.

Explanation:

Enzymes break these biomacromolecule bcoz cells get energy by breaking them.

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The increasing use of internal combustion engines could eventually deplete which resource?.
iragen [17]

Energy that are not renewable can be

exhausted and the increasing use of internal combustion engines could eventually deplete petroleum.

<h3>What is petroleum?</h3>

Petroleum are fuel that are mainly produced from natural gas. This includes crude oil and some others hydrocarbons.

This fuel are used by vehicles, heavy machines to generate energy. The energy is a nonrenewable one.

Therefore, The increasing use of internal combustion engines could eventually deplete petroleum energy.

Learn more on nonrenewable energy here,

brainly.com/question/17711999

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