1.

What causes snowfall?

A. When condensation takes place below 0° C and precipitation occurs in the form of flakes
B. When rain freezes into snow-flakes while passing through the atmosphere
C. When condensation takes place in form of fog and precipitation occurs as flakes
D. When the air temperature is much lower than surface temperature
Answer» B. When rain freezes into snow-flakes while passing through the atmosphere


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