ObjectiveMcq
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What is the geographic name given to a deep and narrow valley with steep sides created by weathering and erosion by rivers, wind, rain, and tectonic activity?
Correct Answer: B — Canyon
A canyon is a deep, narrow valley with steep sides formed by the erosive action of rivers, wind, rain, and tectonic forces over millions of years. The Grand Canyon (USA) and the Indus Gorge (India-Pakistan) are famous examples. Buttes are isolated flat-topped hills, ridges are elongated elevated landforms, and basins are low-lying areas.