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

All of the following are reasons why deserts extremely susceptible to wind erosion except a. they lack major root systems b. they contain thin, dry soil c. they have very few plants and trees d. they are extremely hot and lack water