About how much of the Earth's surface is covered by deserts exclusive of semiarid grasslands?

a. 10%
b. 33%
c. 66%
d. 75%
e. 90%


B

Environmental & Atmospheric Sciences

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What type of basaltic feature is shown in this photograph?



A) Vesicles
B) Volcanic bomb
C) Aa lava flow
D) Pahoehoe lava flow
E) Pyroclastic flow

Environmental & Atmospheric Sciences

James Hutton first pioneered the principle that we know today as uniformitarianism. Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

On average, tornadoes kill more people every year in the United States than any other severe weather phenomenon

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

In which location on a continent would one be likely to find young mountain belts (less than 100 million years old)?

A) In the center of the continent B) On the continental shield C) On the stable platform D) Along the margins of the continent

Environmental & Atmospheric Sciences