Multiple Choice
What property of glacial ice helps climatologists to reconstruct the CO2 concentrations of the atmosphere during the past?
A) The ratio of oxygen isotopes in the ice.
B) The contents of the air bubbles trapped in the ice.
C) The amount of 16O in the water.
D) The amount of volcanic ash frozen in the ice.
Correct Answer:
Verified
Correct Answer:
Verified
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