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Chemistry, 24.07.2019 02:30 ggujjnh

Hurry 20 volcanic rock has often been found early in the rock record but less frequently. what does this subject to scientists about early earth? a. volcanic rock is easier to find b. volcanic rock was more common in the past then it is today c. volcanic activity os the same today as it was early in earths history d. volcanic rock is more easily preserved than other kinds of rock

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