Question

When people alter the natural course of a river to provide irrigation, they are primarily modifiying the __________.

A.
atmosphere
B.
hemisphere
C.
hydrosphere
D.
lithosphere

Please select the best answer from the choices provided
A
B
C
D

Answer 1

Answer: D

Explanation:hope this helps

Answer 2

D

Step-by-step explanation:

They make holes in the lithosphere