The Mississippi River has many small tributaries, but its primary tributaries are the Ohio River and the Missouri River. The Amazon River also has a large number of tributaries, including the Rio Negro, which is one of the largest rivers in the world in terms of volume. The Nile’s primary tributary is the Atbara River.
Answer:
the answer is no 3with the accumulation of rainfall.
Mountains because the tectonic plates are colliding and pushed up against each other.
If the earth's gravitational pull gets three times stronger your weight increases three times your original weight.
the Soviet union was communist