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Jet001 [13]
3 years ago
9

during cellular respiration every living thing in this food web uses blank gas and releases blank back into the environment

Biology
2 answers:
Mice21 [21]3 years ago
6 0

Answer:

Blank 1 is oxygen

Blank 2 is carbon dioxide

Fynjy0 [20]3 years ago
4 0
Blank 1 is Oxygen 

Blank 2 is Carbon Dioxide
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