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. A gibbous moon
Explanation:
Gibbous refers to the shape which is less than the full circle of a Full Moon, but larger than the semicircle shape of the Moon at Third Quarter.