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Author Question: The 1988 Yellowstone National Park lodgepole pine forest fires were likely the r (Read 991 times)

penza

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on: Oct 27, 2013
The 1988 Yellowstone National Park lodgepole pine forest fires were likely the result of
A) overgrazing by elk.
B) infrequent rain episodes.
C) years of fire suppression by humans.
D) unextinguished campfires.
E) geysers.


Celeste

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Reply #1 on: Jun 13, 2019
C


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