Question

What prevents soil erosion?

• A. Allowing herbivorous animals to graze excessively
• B. Growing plants to form the soil cover
• C. Increasing fertility
• D. Making the land sloppy

Answer 1

The correct option is B Growing plants to form the soil cover

• Soil erosion is the loss of the fertile soil due to an absence of plants which can hold the soil.
• The roots of the plants allow the soil to be held due to the presence of water. In deforestation, there is the cutting or the removal of plants.
• Due to which the water present in the soil gets evaporated resulting in a barren land.
• This barren land is prone to soil erosion which results in the loss of the upper layer of the soil.
  

Thus, the correct answer is option B.