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Chemistry, 03.11.2020 21:10 diflakf

The table below shows the age of fossils found in four separate layers of an undisturbed rock:

Fossils In Rock Layers
Layer Fossil in Layer Age of Fossil (million years)
A W 550
B X 240
C Y 680
D Z 450

Which is the topmost layer of the rock?
Layer A
Layer B
Layer C
Layer D

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The table below shows the age of fossils found in four separate layers of an undisturbed rock:
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