Why are some deserts rocky, like in Arizona, and some sandy, like the Sahara?
I know deserts are based on rainfall, but I am asking about what we commonly think of as deserts, rocky, sandy, dry places.
In: Earth Science
A desert is determined based on the amount of rainfall it receives yearly. So technically Antarctica is a desert partially
Wind, surrounding climate, precipitation patterns and most importantly geologic history. What was it before it was a desert? A bottom of a sea? Or a windswept plateau?
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