Biology, 29.06.2019 21:30 jdudjdn2891
Based on radiometric dating and the rock and fossil record, scientists have concluded that life has been present on earth a. for about 1 billion years. b. for about 50,000 years. c. for no more than 10 million years. d. for at least 3.5 billion years.
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Based on radiometric dating and the rock and fossil record, scientists have concluded that life has...
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