Traditional Culture Encyclopedia - Weather forecast - What thermometer is used in winter in Northeast China?
What thermometer is used in winter in Northeast China?
A. water vapor exists at any temperature.
B in the cold winter in the north, mercury has solidified at -40℃ and cannot be used. Use an alcohol thermometer.
C frost is formed by condensation of water vapor in the air.
D. Frozen clothes hanging outside in winter will also dry, and solid ice will sublimate into steam.
So choose B.
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