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Author Question: The 1988 Yellowstone National Park lodgepole pine forest fires were likely the r  (Read 661 times)

penza

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The 1988 Yellowstone National Park lodgepole pine forest fires were likely the r
« 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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Re: The 1988 Yellowstone National Park lodgepole pine forest fires were likely the r
« Reply #1 on: Jun 13, 2019 »
C

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