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4 votes
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

2 Answers

3 votes

Answer: D

Explanation:hope this helps

User Stollr
by
3.3k points
5 votes

Answer:

D

Step-by-step explanation:

They make holes in the lithosphere

User Arthur Debert
by
3.6k points