Cold-air damming occurs when
A) moist and warm air penetrates a cP air mass.
B) a cP air mass spreads south across the United States.
C) cold air is pinned against a mountain range.
D) cold air moves south on the east side of the Appalachians.
E) none of the above
C
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The downslope movement of rock or soil due to the influence of gravity is ________
A) weathering B) erosion C) mass wasting D) exfoliation
Electricity from nuclear power plants is produced via ________
A) the fission of uranium or plutonium atoms by bombarding them with neutrons B) the fusion of electrons by bombarding them with uranium or plutonium atoms C) bombarding radioactive elements with electrons D) the fusion of nuclei of atoms
Why are skies clear in the eye of a hurricane?
a. ?Warm air is rising. b. ?Warm, dry air is descending. c. ?Cold air is rising. d. ?Cold, dry air is descending. e. ?Any moisture is flung to the edge of the eye wall by centrifugal forces.
Taxes that discourage pollution are called ____________________
Fill in the blanks with correct word