ESS
Grade-4
Easy
Question
Glaciers are formed from________
- Snow
- Wind
- Hot water
- High temperature
Hint:
Ice that falls from sky.
The correct answer is: Snow
The correct option is a) snow.
Glaciers form when more snow accumulates throughout the year then it melts in the summer. As the snow layer builds up, the buried snow grains become increasingly dense into firns, which turn into glacial ice as the firns freeze again. Large glaciers are formed from snow that has fallen over centuries.
Glaciers exist in the polar regions, like Greenland, the Canadian Arctic, and Antarctica.
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