Dr Mustafizur Rahman
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Posted 5 year ago
पीने योग्य पानी का पीएच मान कितना होता है
2 Answer(s)
Dulal shill
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Posted 5 year ago Dulal shill

Only 3% of earth, s water is freshwater. Of that, only about 1.2 percent can be used as drinking water. The rest is locked up in glaciers, ice caps or buried deep in the ground.

manish tiwari
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Posted 5 year ago manish tiwari

Only 3% of earth, s water is freshwater. Of that, only about 1.2 percent can be used as drinking water. The rest is locked up in glaciers, ice caps or buried deep in the ground.