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

Respuesta :

Answer:

Option C- Hydrosphere

Explanation:

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

Hope this helps you out.