Answered

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

A)

carbon dioxide:oxygen

B)

oxygen:carbon dioxide

C)

carbon dioxide:hydrogen

D)

carbon dioxide:water vapor

Verified Answer :

Kalahira

B) oxygen:carbon dioxide, because of the process of Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining processes and discarding, as waste products, carbon dioxide and water.

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Answer:

Blank 1 is oxygen

Blank 2 is carbon dioxide