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प्रश्न
Of the total water available on the earth, fresh water forms ______ percent.
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उत्तर
Of the total water available on the earth, fresh water forms 2.7 percent.
संबंधित प्रश्न
How are natural springs of water formed ?
Explain why rivers and lakes do not freeze easily.
Explain why:
Table salts become sticky on exposure to humid air during the rainy season.
Name a deliquescent substance’.
Select the correct word from the words in option to complete the sentence:
Dissolved air in water contains a ____ percentage of oxygen than ordinary air.
Give a reason for the following:
A crusty ‘boiler scale’ is formed in boilers, when hard water is used.
Sea water can be used for irrigation as such.
Match Column I with Column II
| Column I | Column II | ||
| (a) | Ground water | (i) | Solid form of water |
| (b) | Bawri | (ii) | Wastage of water |
| (c) | Snow | (iii) | Water management |
| (d) | Drip irrigation | (iv) | Small water |
| (e) | Leaking taps | (v) | Water table |
In which of the following activities will you use minimum amount of water?
Wells are fed by ______.
