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The best way to find out how old a sample of petrified wood (225 million years old) from the Petrified Forest National Park in Northeast Arizona is by a.radiocarbon dating b.potassium-argon dating
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The best way to find out how old a sample of petrified wood (225 million years old) from the

Petrified Forest National Park in Northeast Arizona is by
a.radiocarbon dating
b.potassium-argon dating

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a.radiocarbon dating

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