Question

question 17 (1 point)
which of these activities doomed the plains to soil erosion?
a using plows
b planting cash crops
c removing the sod
d letting fields lie fallow

Explanation:

The sod (the layer of grass and roots) helps hold the soil in place. Removing it leaves the soil more vulnerable to erosion. Using plows (a) can contribute but is not the main cause here. Planting cash crops (b) - if done without proper soil conservation - can have issues but removing sod is more direct. Letting fields lie fallow (d) is a practice that can help soil in some cases (e.g., to regain nutrients) and is not a cause of the doom to soil erosion in the context of what "doomed" the Plains.

Answer:

C. removing the sod