Condensation is a process which occurs when

A Temperature falls below 0°C
B Absolute humidity becomes equal to relative humidity
C Temperature in the air parcel remains static
D Relative humidity becomes 100% and more

Correct Answer: Relative humidity becomes 100% and more

When relative humidity approaches 100%, condensation can occur on surfaces. The relative humidity is 100% when the dew point and the temperature are the same. If the temperature drops any further, condensation will result, and liquid water will begin to form.

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