When someone is HIV positive it is their immune system is deficient this can lead to AIDS or other serious infections
I believe the answer is (B)
<span>a complex series of feeding relationships with many organisms interacting and depending on each other </span>
I ammmm ! i’ve been up all night i can’t sleep at all.
Answer:
Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function.
yes they are quit different in some things
