The cost of natural disasters is ____.?
a. ?increasing steadily each year due to population growth
b. ?increasing steadily each year due to economic growth
c. ?variable from year to year due to the unpredictability of natural disasters and their effects
d. ?increasing steadily each year due to population and economic growth
e. ?decreasing steadily each year due to improved forecasting and public awareness
ANSWER: c
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A. 1500 m B. 100 m C. 500 m D. 300 m
What was the cause of flooding in the 1993 upper Mississippi River flood?
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Indicate whether the statement is true or false
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