science
Grade-3
Easy

Question

Mixing harmful substances with _______ is called land pollution.

  1. Air
  2. Water
  3. Soil
  4. Noise

hintHint:

Mixing of harmful substance in the environment is known as pollution.

The correct answer is: Soil


    Mixing of harmful substance in soil causes land pollution. Plastic is a classic pollutant for the soil pollution.

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