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MYSTERIOUS FACTS ABOUT COLD

                            COLD DESERT:     A term applied to the ice sheet of arctic and Antarctic regions, where vegetation is prohibited by low temperatures, and sometimes extended to the tundra, where vegetation is severely restricted by the climate.       COLD FRONT: The boundary line at the earth’s surface between a mass of advancing cold air and a mass of warm air, beneath which the cold air pushes like a wedge. The frontal surface rises at a steeper angle than in the case of the warm front. The passage of a cold front through a place is normally marked by a rise of atmospheric pressure, a fall of temperature, a veer of wind, a heavy shower, and sometimes a line squall, perhaps with thunder        COLD POLE: A name frequently applied to Verkhoyansk, in eastern Siberia, where excessively low temperatures have been reached; the mean midwinter temperature is -50 degree centigrade, and the lowest reading ever taken on the earth’s surface, -70 degree centigrade, has been