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?

Question

Simple carbon cycle image with letter A above factory emissions
(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 dioxide

Answer 1

The process occurring at Letter A, which is above factory emissions, is the burning of fossil fuels. Its effect on the levels of atmospheric carbon dioxide is that it increases the levels of atmospheric carbon dioxide. Therefore, the correct response is:

Burning of fossil fuels; it increases the levels of atmospheric carbon dioxide.