The arrow is pointing to which part of the brain?
a. cerebrum
b. cerebellum
c. brain stem

Why is it important that fibrin is insoluble in water?

Compare the composition of the moon's surface with the composition of the earth's surface.

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!