Answer: The answer is. C: Streams relocate all rocks into the oceans.
Explanation: If the bottom of the river is flat and the banks are sand, the sediment that is deposited into a river helps to determine the shape of the river. This erosion also helps to define the watershed, which is the area drained by a river or river system. Sediment that is carried a long way in the watershed eventually gets dumped into a delta near the mouth of a river. The delta formed by the Mississippi River contains approximately 521,000 acres of land. The Mississippi River watershed is the largest watershed in the United States. Forty Percent of the land mass of the United States is considered part of the Mississippi River watershed.
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