Environmental Science
The percentage of water vapour present in the air compared to that required for saturation is the:

Absolute humidity
Mixing ratio
Relative humidity
Dew point
Specific humidity

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Environmental Science
When a liquid thermometer is held in direct sunlight,

It will measure a much lower temperature than that of the air
It will accurately measure the air temperature
It will measure a much higher temperature than that of the air
It will measure the temperature of the sun rather than the air

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