Biology, 05.03.2021 06:10 ayoismeisalex
The index fossil of a type of trilobite is discovered in layer A of a set of rock layers found at three
different sites of a field investigation. Which conclusion can be made about the rocks in layer A at all
three sites?
Ob
The rocks were formed from melting magma
The rocks are all about the same age
The rocks are all different ages
The rocks were formed during a catastrophic event
Answers: 3
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The index fossil of a type of trilobite is discovered in layer A of a set of rock layers found at th...
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