Using four or more complete sentences, explain the importance of the mississippi river

The Mississippi River is the longest river on the North American continent. The flood plain of the river supports agriculture. The floodplain produces fertile soils that supports a booming agricultural industry. The river is a large navigable river and it has been used to transport commercial goods since the 1800s. Steam boats were the main mode of transportation. 

c. seafloor spreading occurs.

d. crust becomes molten rock.

e. denser plates slide under lighter plates.

answer (a) more rain in u s and less rain in australia and asia