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Q: The formation of river delta is the result of which process ?
  • A. Corrosion
  • B. Deposition
  • C. Evaporation
  • D. Sedimentation
Correct Answer: Option B - A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower moving or stagnant water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir or another river that cannot carry away the supplied sediment.
B. A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower moving or stagnant water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir or another river that cannot carry away the supplied sediment.

Explanations:

A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower moving or stagnant water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir or another river that cannot carry away the supplied sediment.