quan2002 quan2002
  • 10-01-2017
  • Biology
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What helped scientist recognize that the earth was a million years old

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msacoustic
msacoustic msacoustic
  • 10-01-2017
Clues such as fossils such as bones, footprints, tar, etc,  preserved underground helped inform scientists. You can also count how old a tree is when you cut it open and there are some alive for thousands of years so that is a possible way.
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