What is a flowing, moving stream of water that feeds into a body of water.

Tributary

Explanation:

Any moving stream of water that feeds into another one is called a tributary. The blue and white Nile rivers are tributaries of the Nile river because they both flow into the Nile.

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true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.