[ad_1] During the last ice age, large parts of the world were covered in ice sheets, while alpine glaciers carved out valleys and ribbed patterns. Glaciers also formed many of the features in places like Yosemite Valley, making them ideal for rock climbing. Fjords in northern countries like Canada, Norway, Iceland, and Greenland were also […]
[ad_1] Glaciers are slow-moving rivers of ice found on every continent and in about 47 countries. They can be hazardous when they surge, causing rock and snow avalanches. Glaciers have caused sea levels to lower by 100m and have even covered the planet in ice during the Cryogenian period. A glacier is a large, slow-moving […]
