Question

of the following, which has accurately provided climate scientists with the best samples of the atmosphere that help establish past climate conditions? lunar eclipses over south america rainstorms over southern australia active volcanic eruptions in iceland ice cores drilled out of antarctica ice

Explanation:

Ice cores from Antarctica contain trapped air bubbles that preserve samples of the ancient atmosphere. These can be analyzed to understand past climate conditions. Lunar eclipses, rain - storms, and volcanic eruptions do not provide direct samples of past atmospheres for climate study.

Answer:

ice cores drilled out of Antarctica ice