There are about 165 major rivers in the world. These major rivers are long and wide enough to be classified as major rivers with large volumes of water flowing through them every day. They have tributaries and provide fresh water to billions of people. There are thousands of smaller rivers, but the exact number of small and large rivers in the world is difficult to determine.Know More
The major rivers of the world are the Amazon, the Nile and the Yangtze rivers. The Amazon is the largest river by volume of water and has a length of 6,516 kilometers. The Nile, at 6,695 kilometers long and the longest river in the world. The Mississippi-Missouri river system in the United States is more than 5,969 kilometer long.
Most rivers have their source in lakes, springs, wetlands and glaciers. They flow towards the sea where they empty their waters. However, there are a few inland rivers often called virgin rivers. They have their source and mouth inland. The Amu Darya and the Syr Darya are examples of inland rivers.
Rivers are the cradles of civilization. All the major civilizations such as the Mesopotamian, Indus Valley, the Egyptian and the Chinese civilizations have developed on the banks of rivers. Rivers are used as inland waterways for transportation and for producing hydroelectric power.Learn more about Bodies of Water
While the seas of the world are technically all connected into one global ocean, they are commonly divided geographically into five main oceans. These are the Atlantic, Pacific, Indian, Arctic and Antarctic Oceans.Full Answer >
While there is no definitive count of all the islands in the world, as of 2014, there are 443 islands in the world with a land area of 970 square miles or greater. There are at least 335 additional islands whose land area ranges from 190 to 970 square miles.Full Answer >
The world has five named oceans: the Atlantic, Pacific, Indian, Arctic and Southern. In reality, Earth is covered by one global ocean, but the ocean has been divided into these five regions for geographic, historical and scientific purposes.Full Answer >
Rivers are important because they transport water, provide habitat, support economic activities and enable transportation. Rivers provide life-sustaining supplies of water and important nutrients for living organisms around the world, including humans, plants and fish. Large rivers provide power for hydroelectricity and facilitate the movement of people and goods within nations and across borders.Full Answer >