Which statement is true?
a.
If soil is not protected it will erode.
c.
Soil develops as plants and rocks break down.
b.
If soil is not protected it will become exhausted.
d.
All of the above.
a.
If soil is not protected it will erode.
c.
Soil develops as plants and rocks break down.
b.
If soil is not protected it will become exhausted.
d.
All of the above.