Question

write a few points about preservation of water

Answer 1

Water conservation includes all the policies, strategies and activities to sustainably manage the natural resource of fresh water, to protect the hydrosphere, and to meet the current and future human demand. Population, household size, and growth and affluence all affect how much water is used. 
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Answer 2

❤Check your toilet for leaks. ...

❤Stop using your toilet as an ashtray or wastebasket. ...

❤Put a plastic bottle in your toilet tank. ...

❤Take shorter showers. ...

❤Install water-saving shower heads or flow restrictors. ...

❤Take baths. ...

❤Turn off the water while brushing your teeth. ...

❤Turn off the water while shaving.