An increase in the severity and frequency of extreme heat can have a serious impact on human mortality in the US because
A) severe heat kills more people than lightning, tornadoes or hurricanes
B) decreasing humidity levels increase the 'apparent temperatures'
C) experts believe that the most dangerous health threat occurs from very high daytime temperatures rather than the persistence of high temperatures for several days
Answer: A
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The amount of incoming solar energy received at the Earth's surface changes with latitude for which of the following reasons?
a. The curvature of the Earth changes the directness of the Sun angle. b. The rotation of the Earth changes the latitude of locations. c. The north-south change in the location of the circle of illumination changes over the course of 24 hours. d. The distance on the Earth's surface changes with latitude.
How does the GDP (Gross Domestic Product) differ from the GPI (Genuine Progress Indicator)?
What will be an ideal response?
As a major importer of products from other countries, the United States has
A) improved public relations. B) increased its economic standing with other countries. C) few domestically manufactured goods. D) accumulated substantial trade deficits.
Most tornadoes last only a few minutes; some tornadoes have existed for several hours
a. true b. false