60. Which of the following types of severe weather results in the highest average annual death toll in the
United States?
A. Heat
B. Cold
C. Tornado
D. Hurricane
E. Lightning
61. Important requirements for hail to form are _______________________________.
62. The Great Plains region of the central United States plays host to about ______ percent of the
tornadoes that occur on Earth.
63. Observed effects of global warming in recent decades include all but which of the following?
12
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GO125Natural Disasters, Final exam, CS Verma Park University
64. Which of the following greenhouse gases is the most efficient at trapping heat (i.e., has the highest
global warming potential - GWP)?
A. Carbon Dioxide (CO
2
)
B. Methane (CH
4
)
C. Nitrous Oxide (N
2
O)
D. Ozone (O
3
)
E. Chlorofluorocarbons (CFC's)
65. The cycles of slow buildup and advance of glaciers followed by rapid shrinkage and retreat is caused
by ____________________.
66. A strong El Ni
ñ
o is characterized by __________________.
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