Biology
Grade-8
Easy
Question
._____________ is the introduction of a substance (pollutant) in the environment that has harmful effects.
- Soil erosion
- Pollution
- Habitat loss
- Deforestation
Hint:
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
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