A Hot, Dry Summer Will Reduce Crop Yields in Part

A hot, dry summer will reduce crop yields in part because

A) the stomata of the plants stay open to help cool the leaves.
B) carbon dioxide uptake is reduced by the stomata closing to prevent excessive water loss.
C) oxygen uptake is reduced by the stomata closing to prevent excessive water loss.
D) carbon dioxide release is reduced by the stomata closing to prevent excessive water loss.