Module 2 Vocabulary Flashcards
1
Q
Humidity
A
The moisture content of the air
2
Q
Absolute Humidity
A
The mass of water vapor contained in a certain volume of air.
3
Q
Relative Humidity
A
The ratio of the mass of water vapor at a given temperature to the maximum mass of water vapor the air could hold at that temperature, express as a percentage.
4
Q
Greenhouse Effect
A
The process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that radiates the earth.
5
Q
Parts Per Million (ppm)
A
The number of molecules (or atoms) in a mixture for every one million molecules (or atoms) in that mixture.
