Question

1. poor farming practices, land clearing, overgrazing of livestock, water drainage, and drought are issues that face many african nations. what environmental problem results from these factors?

a. air pollution
air pollution is more commonly associated with factory or urban emissions, not farming practices.
b. desertification
the factors described in the stem all contribute to desertification, the process of land degradation by which previously fertile land becomes desert as a result of both human activity and climate.
c. water pollution
few of the factors described in the stem are likely to lead to a decline in the quality of water in and around the nations of africa.
d. acid rain
acid rain is more commonly associated with factory or urban emissions, not farming practices.

Explanation:

Poor farming practices, land clearing, overgrazing of livestock, water drainage, and drought all contribute to desertification. Desertification is the process of land degradation where previously fertile land becomes desert due to both human activity and climate. Air pollution (A) is more linked to factory or urban emissions. Water pollution (C) is not mainly caused by these factors. Acid rain (D) is also associated with factory or urban emissions.

Answer:

B. desertification