The principle of uniformitarianism states that _____. rock layers at the bottom are older than rock layers above them sediment spreads out in flat, horizontal layers a cross-cutting feature is younger

The principle of uniformitarianism states that _____. rock layers at the bottom are older than rock layers above them sediment spreads out in flat, horizontal layers a cross-cutting feature is younger than the rock layers through which it cuts geologic process that we observe today occurred in the same way in the past

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