Which BEST describes the relationship between desertification and air quality in Africa? A
Air quality decreases as desertification leads to the death of oxygen-producing plants.
B
Desertification occurs as a result of low air quality caused by agricultural chemicals in the air.
С
Desertification occurs as a result of low air quality which makes it difficult for plants to get sunlight.
D
Air quality decreases as desertification drives more people away from agriculture and into the oil business.

A

Air quality decreases as desertification leads to the death of oxygen-producing plants.

Explanation:

The above describe the relationship between desertification and air quality in Africa. This is because, plants helps in the maintenance of balance between the oxygen availability and air in circulation. Naturally, plants takes carbon(iv) oxide to manufacture its foods thereby giving out oxygen as one of its waste products.

The removal of plant trees (commonly called deforestation) leading to barren land area (desertification) reduces the oxygen availability and the air quality.

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