To determine the age of organic remains,the decay of which radioactive element(s) are measured?
A) carbon-14
B) uranium-238
C) uranium-238 and carbon-14
D) carbon-12
E) uranium-240
Correct Answer:
Verified
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
Q32: Which of the following radioactive isotopes is
Q33: Uranium-238 after many decay events becomes this
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)
Q38: To determine the age of rocks,the decay
Q39: The half-life of potassium-40 is 1.3 billion
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