Question

fill in the blank question
as ice sheets, or,grew larger during the ice ages, the water level of oceans lowered.
need help? review these concept resources.
read about the concept

Explanation:

During the Ice Ages, ice sheets (also known as glaciers) accumulated more ice. As water was locked up in these large - scale ice formations (glaciers), less water was in the oceans, causing ocean water levels to lower.

Answer:

glaciers