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Earth Sciences 71 Online
OpenStudy (anonymous):

NEED HELP ASAP WILL MEDAL AND FAN ( you need to arrange them in the right order)2. The five boxes below represent a geologic cross-cut with five layers (A is on top and E is on the bottom). The types of rocks are listed on the right side. In each box, write the appropriate type of rock and explain the answer in relation to the history of the earth’s atmosphere. Answer: A Limestone layers B Banded-iron formations C Metamorphic rocks with fine grains D Red beds E Chert layers

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