Question

The burning of fossil fuels produces carbon dioxide. What effect could a higher concentration of carbon dioxide in the atmosphere have on photosynthesis?
A. Photosynthesis rates will likely decrease.
B. Photosynthesis rates will likely increase.
C. It will have no effect on the rates of photosynthesis.
D. Photosynthesis will no longer occur during the summer months.

Answer 1

I think The answer would have to be B :)