Explanation:
Membrane transport proteins fulfill an essential function in every living cell by catalyzing the translocation of solutes, including ions, neurotransmitters, and numerous drugs across biological membranes
I think it resembles the nervous system because like the nucleus, the brain controls body functions while the nucleus controls the cell’s functions.
It's A, because it's always important to drink water. If you think about it, all the other answers seem invalid.
Answer:
what are your choices becasuse
Explanation:
there are types like oil pollution radioactive waste urban devlopement plastics
answer d
explanation
he use the shadows of the earth to see its round shape
