Why is White Sands Desert in New Mexico so purely white?

it is gypsum
4169
it is very fine grained sand
1426
it iswhite quartz
4993
it is an optical illusion
3133
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.
Debbie Fox
reach: rather global
chemistrycolorsdesertsdeserts of North Americadunesgeographygeography of North Americageography of the United Statesnatural resourcesNorth AmericasoilUnited Stateswhite

Answers distribution

it is gypsum
it is very fine grained sand
it iswhite quartz
it is an optical illusion
answers
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Gender

men27%
women25%
it is gypsum
27%
25%
it is very fine grained sand
12%
8%
it iswhite quartz
37%
39%
it is an optical illusion
22%
26%

Details

Author: Debbie Fox
Illustration: davebluedevil
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