This is a typical number of air masses to be over the United States at one time

A) one
B) five
C) 12
D) 22


Answer: B

Environmental & Atmospheric Sciences

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The huge dust storms that took place in the U.S. Midwest in the 1930s ________

A) were the result of polar cells B) were the result of poor farming and grazing techniques C) were the result of ozone depletion D) were the result of glacier melt E) were triggered by tornados, worsened by global climate change

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The transfer of heat through matter by molecular collisions is called:

A) convection. B) conduction. C) radiation.

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Which of the following products made its way to Europe as part of the Columbian Exchange?

A) wheat B) potatoes C) grapes D) horses

Environmental & Atmospheric Sciences

Drainage divides control into which basin surface runoff drains

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences