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A Review Of what is fossil record

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A is correct. By measuring the decay of radioactive isotopes, we will get an correct evaluate of time on a big scale. Radioactive material break down in a provided price, and if we are aware that charge we will figure out when and the amount of of a compound was https://socialupme.com/story13365933/what-are-fossils-for-kids-things-to-know-before-you-buy

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