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What do the bubbles in ice cores represent? a.the annual growth or shrinkage of a glacier. b. more bubbles are indicative of increased precipitation. c. tiny samples of earth's atmosphere when the ice
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What do the bubbles in ice cores represent?

a.the annual growth or shrinkage of a glacier.

b. more bubbles are indicative of increased precipitation.

c. tiny samples of earth's atmosphere when the ice formed.

d. types of plants that lived in an area.

User Carlos Moura
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7 votes
C.

They are air bubbles and depending on when the ice froze, that is air that can be used at a sample to measure the carbon dioxide levels in the atmosphere at the time of freezing.
User Colindunn
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