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AssignmentMultiple Choice

Relative Dating

Question 1 • Earth and Space A 26-27

Which statement about how geologists study the ages of rock layers is true?

Answer
A
The law of superposition means that older rocks are on top.
B
Geologists can find the exact age of a rock by looking at its relative position.
C
The principle of original horizontality provides the basis for the law of superposition.
D
Relative age can be determined by using the concept of unconformity.
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