Generally when do glaciers advance downward, causing further erosional landforms? throughout the entire year during colder seasons during times of excess precipitation in the form of snow november and december

1. Approximately 10 percent of Earth's land is covered with glaciers.

2. Glaciers covered 32 percent of land during the last Ice Age.

3. Glaciers store about 75 percent of the world's fresh water.

4. Antarctic ice is more than 2.6 miles approximately 4,200 meters thick in some areas.

5. If all land ice melted, sea level would rise approximately 230 feet (70 meters) worldwide.

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