Question

What do you mean by humidity in the atmosphere? How do we express it?

Answer 1

Answer:

Humidity is the concentration of water vapor present in air .The amount of water vapor needed to achieve saturation increases

Explanation:

as the temperature increases .As the temperature of parcel of air decreases it will eventually reach the saturation point without adding or losing water mass

Answer 2

Answer:

moisture in the air at any time is known as humidity.

when the air is full of water vapour or very moisturous we call it as humid day