When glaciers are growing larger, the concentration of the heavier oxygen isotope in sea water increases.

Question

Quizplus · Accepted Answer

When glaciers are growing larger, they take up water that has a higher concentration of the lighter oxygen isotope. This leaves seawater with a higher concentration of the heavier isotope. Therefore, the concentration of the heavier oxygen isotope in seawater increases when glaciers are growing larger.

When Glaciers Are Growing Larger, the Concentration of the Heavier