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

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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