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  • 19-12-2016
  • Biology
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Early attempts to develop a geological timescale were based on what

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risingstarl96a1
risingstarl96a1 risingstarl96a1
  • 19-12-2016
It was base in a few starting sense is the Miners who looked at rock formations and understood the most sense they were near rocks and layers observing while mining.
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