did you know? – If you’re trying to tell the difference between a…

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If you’re trying to tell the difference between a fossil and a rock, give it a lick.

Because it’s so porous, bone becomes slightly sticky when wet- so if your tongue sticks to the specimen, there’s a good chance it’s a fossil.

(Source, Source 2)

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source https://earn8online.com/index.php/123208/did-you-know-if-youre-trying-to-tell-the-difference-between-a/