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Taya2010 [7]
3 years ago
11

Photosynthesis and cellular respiration are cells ____that occur in cells.

Biology
1 answer:
Leviafan [203]3 years ago
7 0

Answer:

A) chemical reactions.

Explanation:

"Photosynthesis is the process through which plants convert light energy into chemical energy. Here is the chemical reaction involved: As we can see, water and carbon dioxide combine to form glucose and oxygen. Since new chemical species are formed, photosynthesis is clearly a chemical change. "

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The correct answer for this question is this one: "
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8 0
3 years ago
Why do experiments usually require a control?
zalisa [80]
Hey There!

Here is your answer:

Your answer is that a experiments should be controlled because the experiment could go out of control which could harm or hurt someone.


Also the definition of a controlled experiment is a part of the experiment that's not touched.

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If you need anymore help just ask me!

Hope this helps!
4 0
3 years ago
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vagabundo [1.1K]

Respuesta B.

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Answer:

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