Multiple Choice
What happens to different isotopes of oxygen in this figure? 
A) Evaporation concentrates lighter isotopes in the resulting water vapor.
B) Precipitation forms ice that is enriched in heavier isotopes relative to seawater.
C) Melting of ice preferentially releases heavier isotopes back into the ocean.
D) All of these.
Correct Answer:
Verified
Correct Answer:
Verified
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