Most people are aware that air contains moisture but what does relative humidity really mean?
We start by stating what we know about water:
- Water has its’ highest density at 4 °C
- There are three forms of water; solid, liquid and gas
- Water is mostly in the form of gas in the air despite temperature – this is called water vapour
What does relative humidity mean and what importance does it have on different climates and material? The term relative humidity (RH) is defined as:
The amount of water vapour in the air
in relation to maximum amount of water vapour
at a certain temperature.
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