I think it is 24 because it just is
C.) Rocks in the Geosphere
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Answer:
<em>Respiration and photosynthesis. </em>
Explanation:
<em>Respiration provides the cell with oxygen while photosynthesis provides it with carbon dioxide. Both functions release what is needed for the other. Therefore, these functions interact.</em>
Water (H2O) takes up more than 60% of the body thus the answer is C