Physics, 25.11.2021 14:00 iheartgirl9373
You find a rock that is about 20 grams large. This rock contains about 10 grams of Uranium-235 and 10 grams of the element it decays into (Thorium-231). The half life of Uranium-235 is 700 million years. How old is this rock?
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You find a rock that is about 20 grams large. This rock contains about 10 grams of Uranium-235 and 1...
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