Question

What causes streams to flow downhill
until they reach an ocean or a sea?
A. gravity
B. wind
C. the spinning of the earth
D. air pressure

Answer 1

Answer:

A. Gravity

Explanation:

Answer 2

Answer:

A. gravity

Explanation:

Gravity has an affect on the flow of a river because it is going downhill. Since it is going downhill, it will reach an ocean or sea through gravity.