Your answer is letter B, it’s not a or c because the population has to be large with no mutations.
It is practically continuous, our blood is constantly circulating around our body passing through so many veins and arteries multiple times
Answer:
I think it's b because the earth's magnetic field had drastically changed shape and direction in the shape
Explanation:
Primary succession occurs when a habitat that has completely destroyed reheals from complete scratch
On the other hand, secondary succession occurs when only a portion of the original ecosystem survives and is rebuilt from that
Answer:
they make a quick profit for farmers
Explanation:
cash crops are crops that are use to earn money after they are harvested
