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Observe this pollution certificate, try ...

Observe this pollution certificate, try to find out the answers for following questions.
For how much time is it valid?

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NCERT TELUGU-NOT FOR BREATHING-NOT FOR DINKING -EXERCISE
  1. How to minimize the usage of paper in daily life?

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  2. Observe this pollution certificate, try to find out the answers for fo...

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  3. Observe this pollution certificate, try to find out the answers for fo...

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  4. Observe this pollution certificate, try to find out the answers for fo...

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  5. Observe this pollution certificate, try to find out the answers for fo...

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  6. which has higher permebility ?

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  7. Why there is a need of pollution under control certificate?

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  8. What will happen if harmful organisms or substances enter your body? H...

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  9. List the gases that you know present in the air.

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  10. What are the four major gases in the air?

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  11. what is ash ?

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  12. Name the fuels we burnt in our daily activities including rural and ur...

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  13. Name the factories located nearby. How they effect air and water.

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  14. Ask your teacher about secondary pollutants why they called so ?

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  15. Ask your teacher about aerobic bacteria and write a note on it with so...

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  16. Do you know oil slick on sea water? In what way is it dangerous to aqu...

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  17. What are its causes and effects ?

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  18. How does the pollution arise ?

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  19. what are fuels?

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  20. Collect the information from your school library for natural disasters...

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