70 percent is covered with water ....but only a small part is available for the utilization of people is because of different factors. Some of the factors are climate, topography, soil, water etc. Even the places were social, cultural and economically is also well developed , people stay there.
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Nearly 70% of earth covered with water, there is only a small fraction of water left for utilization of people because most of the water(nearly 97.5%) on earth is in seas or oceans and it is salty.1.5% of water left is in forms of glaciers and only 1% is fresh water left.
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