Given two areas with equal sunlight and available water. area i has a high amount of atmospheric carbon dioxide while area ii has a low amount of atmospheric carbon dioxide.

how does the rate of photosynthesis in area i compare to that in area ii?
a) atmospheric carbon dioxide has no affect on the rate of photosynthesis.
b) the rate of photosynthesis increases with a decrease in carbon dioxide.
c) the rate of photosynthesis increases with an increase in carbon dioxide.
d) the level of carbon dioxide increases with the level of available oxygen