Deltas form at the mouth of a river and are built up by deposition. t or f

Cause of he different elevations  hope this ?

Answer (datum point);

The zhou dynasty (1046-256 bce) was the longest-lasting of china's dynasties. it followed the shang dynasty (c. 1600-1046 bce) and it finished when the army of the state of qin captured the city of chengzhou in 256 bce.