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kotykmax [81]
3 years ago
5

During cellular respiration, every living thing in this food web uses ______ gas and releases ______ back into the environment.

Biology
2 answers:
garri49 [273]3 years ago
5 0
Oxygen : carbon dioxide

this is because oxygen atoms bind to the hydrocarbons from food (glucose etc.) during formation ATP (Kreb's cycle). Carbon dioxide is a basic waste product which is removed because it increases the acidity of the blood if build-up occurs.
nadezda [96]3 years ago
4 0

b is the right answer because we breathe oxygen and when we breathe out we let out carbon dioxide
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