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24 August, 04:18

Unless a series of sedimentary rock layers has been overturned, which layer is usually the oldest?

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  1. 24 August, 05:05
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    Answer: The bottom layer.

    Explanation: The oldest layers are located at the bottom of the sedimentary rock while the youngest layers are found at the top of the rock. Sedimentary rock most times contains a lot of fossils, they constitute of organisms that have once-lived.
  2. 24 August, 06:36
    0
    the layer on the top. the layer with the most minerals.
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