Class 4 Exam > Class 4 Questions > What is the main cause of air pollution?a)Pla...
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What is the main cause of air pollution?
- a)Planting more trees
- b)Smoke from factories and vehicles
- c)Using renewable energy sources
- d)Recycling waste materials
Correct answer is option 'B'. Can you explain this answer?
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What is the main cause of air pollution?a)Planting more treesb)Smoke f...
Air pollution primarily occurs due to the release of harmful substances like smoke from factories and vehicles into the atmosphere. These emissions contain pollutants like dust particles, fumes, and gases, which degrade air quality.
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What is the main cause of air pollution?a)Planting more treesb)Smoke from factories and vehiclesc)Using renewable energy sourcesd)Recycling waste materialsCorrect answer is option 'B'. Can you explain this answer?
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