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If an object is cut in eight equal pieces, what happens to its half life?
the same
carbon-14
decay at a predictable rate
composition of the substance
The disintegration of radioactive substances occurs at a predictable rate.
The disintegration of radioactive materials occurs at a predictable rate.
C14 and N14
the same
One similarity between uranium-238 and carbon-14 is that both
the same
carbon-14
decay at a predictable rate
composition of the substance
The disintegration of radioactive substances occurs at a predictable rate.
The disintegration of radioactive materials occurs at a predictable rate.
C14 and N14
the same
Which radioactive isotope is most useful for determining the age of mastodont bones
the same
carbon-14
decay at a predictable rate
composition of the substance
The disintegration of radioactive substances occurs at a predictable rate.
The disintegration of radioactive materials occurs at a predictable rate.
C14 and N14
the same
Why are radioactive materials useful for measuring geologic time?
the same
carbon-14
decay at a predictable rate
composition of the substance
The disintegration of radioactive substances occurs at a predictable rate.
The disintegration of radioactive materials occurs at a predictable rate.
C14 and N14
the same
Compared to the length of time for the first half-life of a sample of a radioactive isotope, the length of time for the second half-life is
the same
carbon-14
decay at a predictable rate
composition of the substance
The disintegration of radioactive substances occurs at a predictable rate.
The disintegration of radioactive materials occurs at a predictable rate.
C14 and N14
the same
The half-life of a radioactive substance is mainly controlled by the
the same
carbon-14
decay at a predictable rate
composition of the substance
The disintegration of radioactive substances occurs at a predictable rate.
The disintegration of radioactive materials occurs at a predictable rate.
C14 and N14
the same
Why are radioactive substances useful for measuring geologic time?
the same
carbon-14
decay at a predictable rate
composition of the substance
The disintegration of radioactive substances occurs at a predictable rate.
The disintegration of radioactive materials occurs at a predictable rate.
C14 and N14
the same
Which two elements are most useful for the radioactive dating of recent organic remains?
the same
carbon-14
decay at a predictable rate
composition of the substance
The disintegration of radioactive substances occurs at a predictable rate.
The disintegration of radioactive materials occurs at a predictable rate.
C14 and N14
the same
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