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Alberta Worm Invasion: Worm Tracker http://worms.educ.ualberta.ca/ Human Impacts on the Spread of Earthworms On their own, earthworms can move at a rate of only about 17 meters per year. At this rate it would be impossib
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Document Date: 2014-11-13 18:05:33
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File Size: 283,77 KB
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