Answer:
gravity
Explanation:
streams erode dirt and rocks, transport the sediment, and redeposit it in new locations shaping the earths surface into a system of stream valleys. streams now flow downhill due to the force of gravity
This is an example of an artificial reservoir, which can also be used for hydroelectricity.
Explanation:
positive peace is the establishment of a civil society. negative peace is when there is no violence
