During periods when glaciers are extensive, the concentration of ¹⁸O in seawater increases.

Name: During periods when glaciers are extensive, the concentration of 18 O in seawater increases.
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Question

Quizplus · Accepted Answer

As glaciers advance and retreat, they grind up rocks and transport them to the oceans through rivers. These rocks contain minerals that release ions into the seawater, including ¹⁸O. Therefore, during periods when glaciers are extensive, the concentration of ¹⁸O in seawater increases.

During Periods When Glaciers Are Extensive, the Concentration of 18O

During Periods When Glaciers Are Extensive, the Concentration of ¹⁸O