Multiple choice general knowledge science & technology

Wind erosion is one of the key causes of desertification and occurs when soil is left bare of vegetation. State the major cause of wind erosion in arid and semi-arid lands where this problem is most severe

  1. Cleaning of land for agriculture

  2. Deforestation

  3. Overgrazing by livestock

  4. Forest fires
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Overgrazing by livestock removes vegetation cover in arid and semi-arid lands, leaving soil exposed to wind erosion. This is particularly severe in dry regions where vegetation recovery is slow and the soil is already fragile.

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