Which statement describes the units of humidity and relative humidity?
1. Both humidity and relative humidity are measured using g/m3.
2. Both humidity and relative humidity are measured using g/m 3 .
3. Humidity can be measured using g/m3, while relative humidity is measured as a percentage.
4. Humidity can be measured using g/m 3 , while relative humidity is measured as a percentage.
Humidity is measured as a percentage, while relative humidity is measured using g/m3.
Humidity is measured as a percentage, while relative humidity is measured using g/m 3 .
Both humidity and relative humidity are measured as a percentage.