Top 10 geography of the United States facts
North America quizWhy is White Sands Desert in New Mexico so purely white?
It is gypsum. White Sands, having 442 total square kilometers of dune fields, is the world's largest surface deposit of gypsum. Unlike other desert sands, it is cool to the touch, due to the high rate of evaporation of surface moisture and the fact that the sands reflect, rather than absorb, the sun's rays.
Created by: Debbie Fox
What is the longest river in the United States?
Missouri. The Missouri River is the longest river in North America. Having 2,341 mi (3,768 km), it is longer than the Mississippi (2,202 mi 3,544 km). When combined with the lower Mississippi River, it forms the world's third longest river system, after the Nile and Amazon.
Created by: Shankar Kumar
What is the third longest river of the North America? (after Mississippi and Missouri)
Yukon, having 1,979 mi (3,185 km), is just 223 miles shorter than Mississippi. Despite its length, there are only four vehicles-carrying bridges across the river.
Created by: globalquiz.org
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