Examine the diagram of the carbon cycle below. What process is occurring at Letter A, and what is its effect on the levels of atmospheric carbon dioxide?
(1 point)
Responses
Photosynthesis; it increases the levels of atmospheric carbon dioxide
Photosynthesis; it increases the levels of atmospheric carbon dioxide
Cellular respiration; it increases the levels of atmospheric carbon dioxide
Cellular respiration; it increases the levels of atmospheric carbon dioxide
Burning of fossil fuels; it increases the levels of atmospheric carbon dioxide
Burning of fossil fuels; it increases the levels of atmospheric carbon dioxide
Burning of fossil fuels; it decreases the levels of atmospheric carbon diox