What is the removal of sediment by blowing it away called?
a. abrasion
b. deflation
c. blow hole
d. sink hole
e. sedimentation
Q. 2 -
What is natural sand blasting by sand grains called?
a. abrasion
b. bump and grind
c. desertification
d. wearing
e. deterioration
Q. 3 -
What is thought to be the cause of drought conditions over the past decade in the Southwestern United
States?
a. Warmer sea-surface temperatures in the Pacific Ocean
b. Increased rain shadow effect due to uplift of the Sierra Nevada
c. A decrease in the thickness of the ozone layer
d. Deforestation in the Pacific Northwest from logging
e. Dust storms in China causing global dimming
Q. 4 -
What is the name given to a desert that lies on the leeward side of a mountain range?
a. over the hill
b. rain shadow
c. intermountain
d. steppe
e. plateau
Q. 5 -
Which type of desert region includes the largest dry expanses on Earth?
a. polar
b. subtropical
c. rain shadow
d. midlatitude
e. coastal
Q. 6 -
What type of desert region includes the Sahara Desert of north Africa?
a. polar
b. subtropical
c. rain shadow
d. midlatitude
e. coastal
Q. 7 -
The five kinds of desert regions include all but which of the following?
a. polar
b. subtropical
c. tropical
d. midlatitude
e. coastal
Q. 8 -
Which of the following is NOT part of the definition of a desert?
a. high temperatures
b. mean annual rainfall of less than 25 centimeters per year
c. capability to evaporate more water than falls as precipitation
d. incapable of supporting abundant life
e. sparse vegetation
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