To determine the age of rocks,the decay of which radioactive element(s) can be used?
A) carbon-14
B) uranium-238,rubidium-87,and/or potassium-40
C) phosphorus-40,uranium-234,and/or rubidium-87
D) carbon-14 and uranium-238
E) uranium-240
Correct Answer:
Verified
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)
Q39: The half-life of potassium-40 is 1.3 billion
Q40: Half-life is an estimate of
A) half of
Q41: If a radiometric analysis of an isotope
Q42: The first fossil remains are from this
Q43: The first diverse animal world appeared during
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