Knowledge is precious

4 years ago by zanjnk · 1392 Likes · 2 comments · Popular

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iccarus · 4 years ago · FIRST

if new rings grow on the outside, then why does the scar from, say someone carving their names into a tree, still remain years later?

jasonmon · 4 years ago

The outer bark isn't alive. The live bark and cambium, safely under the dead bark, are responsible for the yearly growth rings:
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images.app.goo*gl/Y8iLe3bv6rZKYAAT9

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Knowledge is precious

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