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

Multiple Choice

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.