Animals breathe in oxygen and breathe out Carbon Dioxide
Plants take in Carbon dioxide and release oxygen using a process called Photosynthesis
I eat phytoplankton!
Delicious, carbon dioxide!
Plants and animals both respire.
Carbon dioxide then goes into the Atmosphere.
Tiny organisms eat carbon dioxide absorbed by the ocean they then are eaten by other sea creatures or sink to the bottom of the ocean. Sometimes the carbon dioxide will be returned to the atmosphere by up currents.
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