Ice Ages Long periods of cooling, when glaciers move from poles and cover much of Earth. Glaciers - huge masses of ice form called.
{"Image DocumentName": "Ice Ages Long periods of cooling, when glaciers move from poles and cover much of Earth. Glaciers - huge masses of ice form called.", "Image ImageDescription": "After the ice age, the glaciers retreat back to the poles. Evidence of five ice ages in the Earth\u2019s history (most recent ended 12,000 to 10,000 years ago. When glaciers move, they scrape across earth moving rocks and water to new places.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}