ConcepTest: Rock Ages
Question:
Match the features in the relative time diagram below with the events described in the short sentences. Assume all rocks are sedimentary unless otherwise indicated.
What is the best estimate of the age of F if A is 100 million years old and D is 70 million years old?
a. 85 Myrs
b. 170 Myrs
c. 55 Myrs
d. 110 Myrs
What is the best estimate of the age of F if A is 100 million years old and D is 70 million years old?

a. 85 Myrs
b. 170 Myrs
c. 55 Myrs
d. 110 Myrs
Student Responses:
No data yet. The correct response is A.
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