Chemistry, 03.03.2021 22:20, td0715

A geologist studies layered rock to determine its age. Bacteria fossils from the Precambrian age are found in the rock’s upper layers, but no fossils are found in the rock’s bottom layer. Which of these conclusions about the rock is bet supported by evidence?

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A geologist studies layered rock to determine its age. Bacteria fossils from the Precambrian age are...