1) The diagram below shows a stack of rock layers. These layers have not changed position since they formed. Select the statement that is true.
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Layer 3 is younger than layer 2 and older than layer 5
Layer 4 is younger than layer 1 and older than layer 3
Layer 3 is younger than layer 2 and older than layer 1
Layer 4 is younger than layer 2 and older than layer 3