All of the above are results
A I think sorry if your wrong :( .
Answer:
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 (more rarely) another river that cannot carry away the supplied sediment.
Answer:
A. True
Explanation:
It is true that a V-shaped valley and no floodplain indicate a youthful, downcutting stream.
Strong winds, I think! :)