An Increase in the Severity and Frequency of Extreme Heat

Multiple Choice

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