Environmental Science Exam #2

Last Updated By tessamariepage on 10/23/2010
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Historically, the greatest threat to grasslands has been 

a)   damage by off-road vehicles.
b)   air pollution.
c)  conversion to farmland.
d)  global climate change.
e)  mineral extraction.
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Environmental Science Exam  2
Environmental Science Exam #2
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Free Quiz Question From Environmental Science Exam #2
Question: Historically, the greatest threat to grasslands has been 
damage by off-road vehicles.
air pollution.
conversion to farmland.
global climate change.
mineral extraction.