A delta is formed by deposition of sediment at the mouth of a river by water fanning out.
When the river slows, it drops the sediment in a wide fan, a delta.
When rivers slow, sediment is dropped at the mouth of a river by water.
Sediment is dropped at the mouth of a river by water when what happens?
Options:
A. Destroy bridges
B. erosion
C. global warming
D. rivers slow
E. flooding
F. contamination
G. massive damage
H. storms