morgansweeney66 morgansweeney66
  • 20-12-2016
  • Biology
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How is stratigraphy helpful in determining the age of the earth

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EllaWeiserman
EllaWeiserman EllaWeiserman
  • 30-12-2016
Stratigraphy is the study of rock layers. By knowing the number of rock layers under the ground, it is easy to predict how old the ground, or in this case, the Earth is.
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