Quite often, deltas are formed at river mouths. What is the reason for formation of delta ?

Brijesh Goswami • 9.45K Points
Tutor III Geography

Q. Quite often, deltas are formed at river mouths. What is the reason for formation of delta ?

(A) The flow of the river slows down considerably by the time it meets the sea. Hence, the sand and pieces of rocks carried by the river fall off at its mouth and collect in the form of a delta

(B) The tide in the sea stops the river from flowing into the sea the sand and pieces of rocks carried along by the river current fall off and form a delta

(C) Salts are present in seawater. When the river meets the sea, the sand and rock particles suspended in the river water get precipitated and they settle down at the bottom to form a delta

(D) None of the above

Correct Answer - Option(A)