The Amazon River greatly impacts the environment of South America because...
A
it regularly dries up and forces the people to move to the cities to work for food.
B
it regularly floods forcing the people to move to the city for better housing.
C
it is the home of very few plants and animals and the people are not able to live off of the land.
D
it is the home of many different plants and animals that the people are able to use for food and medicine.