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solong [7]
3 years ago
15

What elements are in the most common substance in the human body?

Biology
2 answers:
Dmitry [639]3 years ago
8 0

Answer:

The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you. They are found throughout your body, mostly as water but also as components of biomolecules such as proteins, fats, DNA and carbohydrates.

siniylev [52]3 years ago
8 0
B hydrogen and oxygen
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Answer:

11. b.

Explanation:

Photosynthesis stores energy in carbohydrates, cellular respiration releases energy from carbohydrates.

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Write out the equations:

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Fault in other options:

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d. Photosynthesis uses carbon dioxide, cellular respiration uses oxygen.

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