The history of average global temperature for the last 160,000 years is derived from isotopic analysis of ice layers in Antarctica.Scientists study the ______ ratio in ______.
A) (14C/12C;CH4)
B) (1H/2H;H2O)
C) (12C/14C;CO2)
D) (16O/18O;O2)
Correct Answer:
Verified
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