Water is very important for living things. Without water there can be no life on earth. All animals and plants need water. Man also needs water.Water ...
Water and the survival of humankind and social development are closely related. Water is the water of life is an important part of life, the lives of ...
It's our duty to save we know , water is very important to man, we can't live without water. The amount of water which is suitable to drink i...
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