Mr. Forde - Life Science
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Monday, April 21, 2014
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Hi All!
Why do you think they piled all of these stones on this hill by a highway in Virgina?
1 comment:
Anonymous said...
they put the rocks there for preventing erosing.
Sephora sanon
April 22, 2014 at 7:15 PM
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1 comment:
they put the rocks there for preventing erosing.
Sephora sanon
Post a Comment