Question

Planting trees along roadside, wasteland and mountain slopes

• A. reduces soil erosion
• B. reduces air pollution
• C. reduces noise pollution
• D. reduces the fertility of the soil

Answer 1

Answer: (A), (B), (C)

The correct options are
A

reduces soil erosion

B

reduces air pollution

C

reduces noise pollution

Trees help in reducing air pollution. They act as insulators against dust and other particles. The strong root system holds the soil firmly to the land surface preventing soil erosion. Tree parts such as thick branches, leaves and wood are effective sound absorbers which reduces noise pollution.