What is the relationship between the severe soil degradation in northern Texas,

Question

What is the relationship between the severe soil degradation in northern Texas, western Oklahoma, eastern New Mexico, eastern Colorado, western Kansas, southern Nebraska, and southeastern Wyoming and the amount of vegetation that you can see on the ground? What physical and cultural factors might be involved in creating this pattern?

A. Soil degradation is evident in northern Texas, western Oklahoma and eastern New Mexico. However soil status seems to be excellent in eastern Colorado, western Kansas, southern Nebraska, and southeastern Wyoming. This is surely due to the fact that in these latter states farmers adopt soil conservation measures and that here droughts are more frequent.

B. Scarce vegetation on the ground and in cultivated farmlands correspond to the high degradation of soils in the states listed. Cultural factors associated with this, include farming techniques that increase soil erosion, while physical factors include abundant precipitations.

C. Scarce vegetation on the ground and in cultivated farmlands correspond to the high degradation of soils in the states listed. Cultural factors associated with this, include farming techniques that increase soil erosion, while physical factors include droughts.

D. Scarce vegetation on the ground and in cultivated farmlands correspond to the high stability of soils in the states listed. Cultural factors associated with this, include farming techniques that decrease soil erosion, while physical factors include abundant precipitations.

Explanation / Answer

Option A is the right answer.

Soil degradation is more common in northern Texas, western Oklahoma and eastern New Mexico. The soil condition seems to be excellent in eastern Colorado, western Kansas, southern Nebraska, and southeastern Wyoming because of soil conservation method and droughts were more common.

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