I haven't learned this being a high school student has it's draw backs but anyway the answer should be A or B.
A sunflowers leaves exhibit some of the solar tracking of the sun thus is an example of a solar tracker :3 hope I helped
<span>Autopsies , also knows as post-martam. is the process to thoroughly examine the dead body to know the cause of death etc.
Autopsies
generally test for three abnormalities including infections, changes in body
tissue and organs, and the presence of chemicals such as drugs or poisons</span>