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GS Geography Physical Geography of World
Q.

Very strong and cold icy winds that blow in the Polar regions are called:
Explanation:

ANS. (C) 
A blizzard is a severe snowstorm characterized by strong winds and low temperatures. The difference between a blizzard and a snowstorm is the strength of the wind. To be a blizzard, a snow storm must have sustained winds or frequent gusts that are greater than or equal to 56 km/h (35 mph) with blowing or drifting snow which reduces visibility to 400 meters or a quarter mile or less and must last for a prolonged period of time—typically three hours or more.

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