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The Fossil Record

Question 1 • CV Q4 M/J Science 3 Adv 2002110 Compacted Review of Grade.7.Life for SSA Prep

Ethan determines that layer B is 3.5 million years old. Due to the , he can estimate that layer A is years old.

Answer
A
principle of original horizontality
B
law of superposition
C
absolute age
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