Protection of water and water resources

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Value of water is difficult for overestimating. The life has arisen in water, the person for 80 percent consists of water, plants and animals cannot exist without water. Water is a basis of all live on the earth. The mankind is obliged it to protect!

Water, protect

Короткий адрес: https://sciup.org/142148028

IDR: 142148028

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