Select the correct answer from each drop-down menu. carbon, an important element for life, keeps cycling between the spheres of the earth. carbon dioxide in the is absorbed by the oceans and is used by aquatic organisms for biological processes. but aquatic organisms return some of it back through .

Respuesta :

The answer to the drop box menu of carbon, and aquatic organisms is Atmosphere, Excretion.

How does the carbon cycle influence the Earth's spheres?

The carbon movement from one sphere to the other  affect the life processes e.g. photosynthesis and respiration and others.

Note that  carbon dioxide in the Atmosphere is absorbed by the oceans and is used by aquatic organisms for biological processes.

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