What product of photosynthesis is converted into energy during cellular respiration? A. carbon dioxide
B. glucose
C. oxygen
D. water

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

What percentage of light hits earth's surface directly?

Which of the following explains why a tree is often used as a model to represent the principle of common descent