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Through which of the following processes is carbon returned to the atmosphere? (There may be more than one choice to select)
a-respiration
b-photosynnthesis
c-burning of fossil fuels
d-decomposition of organic waste

Respuesta :

mel255
During the respiration of plants, animals, and organisms that bring about decomposition, carbon dioxide is returned to the atmosphere. The combustion of fossil fuels (e.g. coal and peat) also releases carbon dioxide into the atmosphere.

Choice A and choice C is your answer

Hope this helped :D
~Melis

Its actually A, C, and D (B ISN'T PART OF THE ANSWER)