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A river is a large natural stream of water that flows over land. Even though rivers hold only a tiny fraction of Earth’s total water, they have always been essential to human civilization. Rivers carry freshwater to people, plants, and animals all across Earth.
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The Earth’s rivers carry the water that people, plants, and animals must have to live. They also provide transportation and waterpower. Nations have learned to harness the power of rivers by building hydroelectric dams such as those constructed on the Volga River. Rivers are also a principal natural force in shaping land surfaces.
13 Ιουν 2024 · A river is a stream of water that flows through a channel in the surface of the ground. The passage where the river flows is called the river bed and the earth on each side is called a river bank. A river begins on high ground or in hills or mountains and flows down from the high ground to the lower ground, because of gravity.
A river is a large stream of water that flows toward a lake or ocean. Rivers are sometimes used for travel in boats, or for fishing, or for swimming. The Nile River in Africa is the longest river in the world.
19 Οκτ 2023 · Rivers are found on every continent and on nearly every kind of land. Some flow all year round. Others flow seasonally or during wet years. A river may be only kilometers long, or it may span much of a continent. The longest rivers in the world are the Nile in Africa and the Amazon in South America. Both rivers flow through many countries.
Rivers are an important part of the water cycle. They are responsible for transferring water to oceans. Human activity is responsible for the pollution of rivers and oceans, and for some...
What is a river? A river is a moving body of water that drains the land. It flows from its source on high ground, across land, and then into another body of water. This could be a lake, the sea,...
