Water
    Water is very important to living things. Without water there can be no life on the earth. All animals and plants need water. Man also needs water. We need water to drink, to cook our food and to clean ourselves. Water is needed in offices,factories, schools and hospitals.
    From space the earth looks like a huge water-covered globe.Water covers about seventy percent of the earth's surface. There is water in oceans, seas, rivers, and lakes. Even in the driest part of the world, there is some water in the air. Water is found almost everywhere.
     
    

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