Volcanic rock has often been found early in the rock record by less frequently in later rock layers. what does this suggest to scientists about early earth? a volcanic rock is easier to find b volcanic rock is more easily preserved than other kinds of rock c volcanic activity was more common in the past than it is today d volcanic activity is the same today as it was early in earth's history
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Volcanic rock has often been found early in the rock record by less frequently in later rock layers....
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