ATPL: Which of the following statements is true of the dew point of an air mass?
Domanda 401, Meteorology - ATPL - Airline Transport Pilot license
| It can be higher than the temperature of the air mass |
| It can be used together with the air pressure to estimate the air mass's relative humidity |
| It can only be equal to, or lower, than the temperature of the air mass |
| It can be used to estimate the air mass's relative humidity even if the air temperature is unknown |
