The flat area surrounding the mouth of the Mississippi River, the , is covered with rich sediments important to farming in the area. A) bayou B) delta C) dunes D) plateau

Option (B)

Explanation:

A delta is usually defined as a contrasting geological landform that forms the mouth of a river channel, and where there is an abundant supply of sand, clay and silt-size particles. The deltas are the places where the river finally mixes with seas or oceans. These areas form a flat lowland that is comprised of highly fertile soil and is suitable to carry out agricultural activities.

For example, the Mississippi River forms a delta when it flows into the Gulf of Mexico and is surrounded by rich and fertile soil.

Thus, the correct answer is option (B).