Multiple Choice
Which of the following is evidence that Earth's history is not short?
A) millions of layers of light- and dark-colored sediment that record yearly cycles
B) rates of seafloor spreading compared to the width of the Atlantic Ocean
C) a 4-billion-year age on a rock in Canada
D) thousands of isotopic ages measured by different methods
E) all of these
Correct Answer:

Verified
Correct Answer:
Verified
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