The flat area surrounding the mouth of the mississippi river is covered with rich sediments important to farming in this area. these sediments are deposited at a rate of 80,000 tons per year. this area surrounding mississippi river is called the

A) Delta.

Explanation:

The options of this question are the next ones:

A) delta. B) plains. C) plateau. D) low lands.

The flat area surrounding the mouth of the mississippi river is known as Delta, or the Delta Basin of the Mississippi river, and the entire area was formed over the curse of 5,000 years by the deposition when the sediments are being put into this delta.