In which of the following conditions does exhaled breath condense?
A)It is very warm and dry.
B)The addition of water vapour from your breath causes the air's relative humidity to decrease
C)It is very cold.
D)The addition of water vapour from your breath causes the air's specific humidity to exceed 5g/kg.

Question

Quizplus · Accepted Answer

Exhaled breath will condense when it comes into contact with very cold air, as the cold air cannot hold as much water vapor and thus excess moisture will condense into visible droplets.

In Which of the Following Conditions Does Exhaled Breath Condense