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A simple techinique that breaks down was...

A simple techinique that breaks down waste material and helps in the growth of organisms:

A

Percolation technique

B

Filtration method

C

Aeration

D

Sublimation

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NCERT TELUGU-WATER-EXERCISE
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  2. Statement A: Nitrates, phosphates, metals etc. are examples for organi...

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  4. Which of the following is not true about sewage(i) Sewage is more in r...

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  5. Purifying water by spraying it into sunlight to kill bacteria is calle...

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  6. A simple techinique that breaks down waste material and helps in the g...

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  7. The disease causing germs in waste water can be killed by using the ga...

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  8. International decade for action on Water for life' is

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  9. Available fresh water on land is of the total water

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  10. Oldest VanaSamrakshana Samithi in A.P. is

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  11. When do we celebrate World Water Day?

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  12. The waste water from the bathroom can be led intoto grow vegetables:

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  13. Biogas is produced by

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  14. Solids like faeces which settle at the bottom of a large tank during t...

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  15. This allows growth of microbes that breakdown wastes

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  16. Rearrange the following sentences in a correct order(i) A skimmer remo...

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  17. Fill in the Blanks and give reasons:Cleaning of water is a process of ...

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  18. Fill in the Blanks and give reasons:Waste water released by houses is ...

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  19. Fill in the Blanks and give reasons:Dried isused as a manure.

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  20. Fill in the Blanks and give reasons:Drains get blocked byand

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