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Land’s waters.

Ground waters, rivers, lakes, glaciers, bogs, artificial reservoirs are related to theland’s waters. They contain 3,5% of the waters total amount in hydrosphere. 2,5% from them is fresh water.

A river is a natural watercourse usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely at the end of its course, and does not reach another body of water. Rivers are constant kills, flowing in their hollows – beds. The longest rivers are the Nile, the Amazon, the Yangtze, the Huang He, the Ob-Irtysh and others.

Lake is the natural reservoir, filling up with water, which has not a direct connection with the World Ocean. Lakes occupy about 2% of the land and are situated unevenly. The world’s largest rivers are the Caspian Sea, Superior, the Aral Sea, Huron, Victoria and others.

Lakes lie on land and are not part of the ocean, and therefore are distinct from lagoons, and are also larger and deeper than ponds. Lakes can be contrasted with rivers or streams, which are usually flowing. However most lakes are fed and drained by rivers and streams.

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