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Question

The alternate pest control methods like natural pesticides and other techniques are employed to reduce 
  1. Air pollution 
  2. Soil pollution 
  3. Water pollution 
  4. Radioactive Pollution


Solution

The correct options are
A Air pollution 
B Soil pollution 
C Water pollution 
Pests are usually controlled by the use of pesticides. When pesticides are sprayed, the chemicals stay suspended in the air for some time and then settle on the soil. Later, they get washed by rain into nearby ponds causing water pollution. So, when alternate pest control methods and techniques like the physical removal of the pests or natural methods are used, pollution is controlled.

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