The largest and most important river system in South America is the Amazon. Making A your answer.
The other stars are far away from us but the sun is close but not to close to us
D. Islands used for agriculture
Answer:
Africa is expected to continually increase its population
Explanation:
It would be C. Rain. Water is evaporated from the earth into the sky to form clouds. Then it turns into rain that falls to the ground, and this process continues.
I hope this helped if you need a better explanation then ask, and I'll see if I can't provide you with one.
