Multiple Choice
The ¹³C/¹²C isotopic ratio of geological rocks of different ages has been used as evidence for or against past biological activity,because compounds of biological origin
A) do NOT contain ¹³C.
B) have a higher proportion of ¹³C that compounds of geological origin.
C) have a lower proportion of ¹³C that compounds of geological origin.
D) are not well preserved in geological samples.
Correct Answer:
Verified
Correct Answer:
Verified
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