Choose two ways carbon returns to nature from animals Question 1 options:

A. Animals do not return carbon to the atmosphere

B. When animals breathe, they breathe in oxygen

c. When animals die, their remains are recycled by decomposers, releasing carbon into the soil.

D. When animals breathe, they release carbon dioxide.

D) When Animals breathe, they release carbon dioxide.

Explanation:

Option D is the right answer as during the process of respiration, oxygen is taken in and CO2 is given out!

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its D and C I did the test

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