What is thtimit takes for half of a radioisotope's atoto decay called?
A) decay time
B) half-life
C) full life
D) breakdown time
E) denature time
Correct Answer:
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Q27: Which typof fossil is considerea tracfossil?
A)footprint
B)shell
C)seeds
D)teeth
E)all are
Q28: When measuring thagof a fossil using Carbon
Q29: ThEarth has experience_ major mass extinctions during
Q30: Which fossil woulyou expect to bclosest to
Q31: Which fossil woulyou expect to bthdeepest?
A)dinosaur
B)human
C)primate
D)bacteria
E)all would
Q33: Typically, wherwoulwexpect to finolder fossils?
A)superficial layer of
Q34: What is thcut off agfor dating fossils
Q35: Thradioisotopandaughter element content armeasureto perfor_ dating.
A)isotonic
B)strontium
C)decay
D)carbon 14
E)radiometric
Q36: Which rock layer is least likely to
Q37: What is thagof tholdest known terrestrial rock?
A)4.404
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