How Has Glacial Ice Aided the Study of Climate Change

question 24

Multiple Choice

How has glacial ice aided the study of climate change?

• A)Glacial ice contains trapped air bubbles that archive former atmospheric carbon dioxide concentrations.
• B)Glacial ice only exists where temperatures are exceedingly cold.
• C)Glacial ice flows only under its own weight, so studies of glacial ice reflect climatic conditions.
• D)Glacial ice stores water that would otherwise enter the oceans and cause sea level rise.

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