Multiple Choice
Potassium-40 can be used to date ________ that are ________ old.
A) volcanic rocks and associated fossils; thousands of years
B) volcanic rocks and associated fossils; hundreds of millions of years
C) potassium-rich fossils; millions of years
D) carbon-containing rocks and fossils; up to 75,000 years
Correct Answer:
Verified
Correct Answer:
Verified
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