If the movement of the Earth rsquo s crust or a major climatic nbsp change nbsp makes nbsp an nbsp o......

If the movement of the Earth’s crust or a major climatic  change  makes  an  old stream   young,   it is  called

Rejuvenation is the act of restoring to a more youthful condition.

In geomorphology a river is said to be rejuvenated when it is eroding the landscape in response to a lowering of its base level. The process is often a result of a sudden fall in sea level or the rise of land. The disturbance enables a rise in the river's potential energy, increasing its riverbed erosion rate.

By: Parvesh Mehta