14 videos|63 docs|20 tests
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1. What are the main sources of air pollution? | ![]() |
2. How does air pollution affect human health? | ![]() |
3. What are the effects of water pollution on aquatic life? | ![]() |
4. How can we reduce air pollution? | ![]() |
5. What are the consequences of water scarcity? | ![]() |
14 videos|63 docs|20 tests
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Explore Courses for Class 1 exam
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