Question

two thirds of the earth surface is coverd with water then why should we conserve water​

Answer 1

Answer:

because the 2/3 of the ocean water is saline water and cannot be used directly for the human consumption. And the fresh water is only 1% on the earth. So we need to conserve the water

Explanation:

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Answer 2

Answer:

97% of the water is salty and is not fit for usage. As the population is increasing the consumption of freshwater is also increasing that could result in the scarcity of water in our coming future and there will be a shortage of water for the future generations and that's where the need to conserve water arises.