Which of the following belongs to the upper course of river.

A.

Ox-bow lake

B.

Meander

C.

V-shaped valley

D.

Artificial embankment

Correct answer is C

V-shaped valley is formed as a result of vertical erosion of a river which makes it deeper with step sides because the water as active in following
Ox-blow lakes are crescent-shaped lakes formed by running water flowing through a meander neck. It is formed at the lower course of a river
Meanders are found at the middle course of a river network
Artificial embankment is a long artificial mound of stone or earth, built to hold back water