Tip - Why do some trees have smooth bark and others rough?

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Published 9 years, 2 month(s) ago | Submitted by Dan Montano

Why do some trees have smooth bark and others rough?

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Tags: BBC Focus Magazine

For further reading: http://www.sciencefocus.com/qa/why-do-some-trees-have-smooth-bark-and-others-rough

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Posted: 9 years, 2 month(s) ago

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