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Carbon dioxide is returned to the atmosphere through:

transpiration
photosynthesis
respiration
weathering

2 Answers

2 votes

Respiration

Reason:

every time we breath out we release carbon dioxide

every time we breath in we suck in oxygen.

answered
User Talonmies
by
8.6k points
4 votes
It is through respiration
answered
User SkyWriter
by
8.0k points

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