The answer is C. I know that because of my previous knowledge and my class knowledge hope this helps :)<span />
The answer to #2 Is a..biota is the life of "a" plant, or animal (etc.) of the particular region/habitat, etc.
I think the answer is F<span>ossil shells on top of mountains</span>
Answer:
Stimulation of thoracic or lumbar spinal regions; impulse reaches chain ganglion; acetylcholine release
Explanation: