Question ID:PT90 S4 Q12 Passage:The only effective check on grass and brush fires is rain. If the level of rainfall is below normal for an extended period of time, then there are many more such fires. Yet grass and brush fires cause less financial damage overall during long periods of severe drought than during periods of relatively normal rainfall. Stem:Which one of the following, if true, would most help to resolve the apparent paradox described above? Correct Answer Choice:CChoice A:Fire departments tend to receive less funding during periods of severe drought than during periods of normal rainfall. Choice B:Areas subject to grass and brush fires tend to be less densely populated than areas where there are few such fires. Choice C:Unusually large, hard-to-control grass and brush fires typically occur only when there is a large amount of vegetation for them to consume. Choice D:Grass and brush fires that are not caused by human negligence or arson tend to be started by lightning. Choice E:When vegetation is destroyed in a grass or brush fire, it tends to be replaced naturally by vegetation that is equally if not more flammable. 