Deep water currents affect the number of organisms found in the area by circulating nutrients due to upwelling. Upwelling is a process where cold water surfaces and encourages nutrients to the surface. When exposed to sunlight, they initiate energy which keeps the flow of the ecosystem.
The correct answer is mouth of a river
That's where the river slows down and particles start sedimenting. When the sediment is huge, deltas are formed.
I think it’s DNA replication if i’m not mistaken