what do you understand by quantative aspect of water harvesting? ?
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what do you understand by quantative aspect of water harvesting? ?
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Qualitative aspect :-
There are many areas on the Earth where there are sufficient water resources to fulfill human needs but there are many areas that are still suffering from shortage of water. This scarcity may be due to the bad quality of water. Also, it is a matter of growing concern that even if there is sufficient water to meet the demands of the people, much of it is being polluted by the humans through household waste, industrial waste, chemicals, pesticides and fertilizers. These human activities makes the water hazardous for human use.
1) rainwater harvesting
2) use basket instead of pipe to wash car
3) use the same water as many time as possible