Which of the following radioactive isotopes is used to date organic remains?
A) carbon-14
B) potassium-40
C) rubidium-87
D) uranium-238
E) lead-206
Correct Answer:
Verified
Q27: Which ratio is NOT analyzed for radiometric
Q28: An isotope is the same element with
Q29: How old is Earth?
A) 1-2 million years
Q30: Uranium-238 has a half-life of 4.5 billion
Q31: All of the following are TRUE of
Q33: Uranium-238 after many decay events becomes this
Q34: To determine the age of organic remains,the
Q35: Radiometric decay of carbon-14 would be used
Q36: Uranium-238 decays into thorium-234 and finally into
A)
Q37: Carbon-14 decays and becomes
A) carbon-16.
B) nitrogen-14.
C) carbon-11.
D)
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