17,190 years or three half-lives is the age of a fossil if it had only one-eighth of its original carbon- 14 content remaining.
One half life = 5,730
1/8 of the original means THREE half lives
5,730 x 3 = 17,190
Fossils are the preserved stays, or traces of remains, of ancient organisms. Fossils aren't the remains of the organism itself! they are rocks. A fossil can keep an entire organism or genuinely part of one. Bones, shells, feathers, and leaves can all grow to be fossils.
There are four important sorts of fossils, all shaped by special processes, which might be conducive to retaining unique types of organisms. the ones are mold fossils, forged fossils, hint fossils, and true shape fossils.
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