Biology
Grade-8
Easy

Question

._____________ is the introduction of a substance (pollutant) in the environment that has harmful effects.

  1. Soil erosion
  2. Pollution
  3. Habitat loss
  4. Deforestation

hintHint:

Pollution

The correct answer is: Pollution


    Pollution is an unwanted change, by the introduction of pollutants,  in the physical, chemical, or biological features of air, water, or soil that can disrupt the life of any living organism or pose a health risk