The Colorado River flows through the canyon. The river formed the canyon over millions of years by cutting through layers of limestone, sandstone, shale, and other rocks.
Explanation
The World Book Encyclopedia Trivia Challenge tests your knowledge on Rivers.
The Yangtze River is China’s longest and most important river and is the world's third longest river. Only the Nile and Amazon rivers are longer.
Hindus consider the Ganges River the most sacred river in India. Each year, thousands of Hindus visit holy cities along its banks. They bathe in the river and take home some of the water.
It lies on the north bank of the River Thames in London. The River Thames is the most famous and most important river in England.
The River Seine flows through the heart of Paris, where more than 30 bridges span it.
The course of the Amazon begins high in the Andes of Peru and flows into the Atlantic Ocean.
The Snowy River became famous when the Australian poet Banjo Paterson wrote his poem "The Man from Snowy River" in 1895.
The Murray River is 2,589 kilometre long. It is an important source of water for irrigation and industry.
The world's longest river is the Nile River in Africa, which flows for 6,695 kilometres.
Missouri River is the longest river in the United States. It flows 4,090 kilometres from its source in the Rocky Mountains to its mouth on the Mississippi River.
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