Question

multiple - choice question
what informational clues can paleoclimatologists get from ice cores?
the ph of the oceans
chemical composition of the atmosphere
precipitation levels
the salinity of the ocean

Explanation:

Ice cores contain air bubbles that can reveal the chemical composition of the atmosphere in the past. They also have layers that can indicate precipitation levels over time. The pH of the oceans and ocean salinity are not directly obtained from ice - cores.

Answer:

B. chemical composition of the atmosphere
C. precipitation levels