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.