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What is sludge ? Explain how it is treat...

What is sludge ? Explain how it is treated ?

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NCERT TELUGU-WATER-EXERCISE
  1. Outline your role as an active citizen in relation to sanitation.

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  2. What would happen if there are no microbes that break down wastes in s...

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  3. What is sludge ? Explain how it is treated ?

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  4. Untreated human excreta is a health hazard. Explain.

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  5. Explain the relationship between sanitation and disease.

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  6. Why are soft drinks stored in PET bottles? what is full form of PET

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  7. What points would you like to address in the letter for you panchayat ...

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  8. Is there a check dam or any other water conservation unit in your vill...

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  9. Write about types of plastics

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  10. Have you got any doubt about diseases caused byuntreated water? List t...

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  11. Bakelite,melamine are which type of plastics

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  12. Prepare at least 5 slogans on "Don't waste water.

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  13. Explain the function of bar screens in a waste water treatment plant.

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  14. If you see water running off from a public tap, what would you do abou...

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  15. Tooth brush handle,comb comes under which type of plastic?

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  16. Prepare a logo for International Water Day.

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  17. Is the water in seas and oceans useful to us? Why?

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  18. What is fresh water ? Where is it available?

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  19. How much fresh water is available on the earth?

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  20. Is it essential to protect and preserve water resources and water?

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