Humidity

This task is about the moisture of air.

Question

barometer
a)  Cold air is denser than warm air but dry air is denser than humid air.
     The barometric pressure would be greatest on what kind of day?

    • Cold

    • Hot

    • Humid

    • Cold and dry

    • Hot and humid

Question

illustration: washing on the line
b)  Washing done in a washing machine and hung out to dry on a warm, fine, but windless day, does not dry very well.
     Apart from the lack of wind, the most likely reason for the clothes not drying is ...

    • high humidity.

    • cold air.

    • weak sunlight.

    • high cloud.