Answer:
C. Batholith is not a sedimentary structure.
I'm pretty sure it would be D, since
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.
Answer is A. Because natural selection the iguanas that can swim better would survive more and reproduce more. Webbed feet and flat tail would help with swimming.