Question

Overgrazing causes

• A. Negative pollution
• B. Positive pollution
• C. Soil erosion
• D. Reduction in crop yield

Answer 1

The correct option is A

Negative pollution

The correct option is A.

The explanation for the correct option:

Overgrazing:

1. It is grazing to that extent where the covered glass is finished.
2. After this, unprotected patches of soil are seen on that land.
3. It leads to soil erosion by water and winds, and therefore, overgrazing causes negative pollution.

The explanation for the incorrect options:

Option (B):

Positive soil pollution is a reduction in soil productivity due to the addition of undesirable substances.

Option (C):

Soil erosion: The process of loss of the upper layer of the soil.

Option (D):

Temperature and rainfall changes are the reason for the reduction in crop yield.

Final answer:

Overgrazing causes negative pollution.