After conducting stable-isotope analysis of an ice core you record a high level of ¹⁸O relative to ¹⁶O at a particular layer.What does this suggest about the climate at this time?
A)The climate was relatively cold.
B)The climate was relatively warm.
C)The climate was relatively dry.
D)The climate was relatively humid.

Question

Quizplus · Accepted Answer

A high level of ¹⁸O relative to ¹⁶O in an ice core typically indicates a relatively warm climate, as heavier isotopes of oxygen (¹⁸O) are more prevalent in precipitation during warmer periods.

After Conducting Stable-Isotope Analysis of an Ice Core You Record