Multiple Choice
C3 plants, notably trees, tend to have:
A) a lower 13C signal than C4 plants
B) a higher 13C signal than C4 plants
C) a higher 14C concentration and therefore appear to be younger than C4 plants
D) a lower 14C concentration and therefore appear to be older than C4 plants
Correct Answer:

Verified
Correct Answer:
Verified
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