Q. 1. What is the major cause of air pollution? Write the various tips for minimizing the wastage of petrol/diesel while driving vehicles.

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Answer

The burning of fossil fuels is the main cause of air pollution. On burning, these produce harmful gases like carbon monoxide, sulfur dioxide, etc and cause global warming in the atmosphere. Then this leads to depletion of the ozone layer.

Tips for minimizing the wastage of vehicles:

  • Drive the vehicle at a constant speed
  • Switch off the vehicle’s engine at a traffic light
  • Ensure correct air pressure in the tires of the vehicle

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