1
Q
the layer extending an average of 12km above the earth’s surface
A
troposphere
2
Q
when the air temp. and altitude become stable
A
temperature inversion
3
Q
a natural process in which certain gases in the atmosphere warm a planet as they absorb and emit infrared radiation
A
greenhouse effect
4
Q
how are the layers divided
A
compestion and temp.
5
Q
what is the majority of the troposhere made up of
A
nitrogen 78%
6
Q
what is the second most gas in the troposhere
A
oxygen 21%
7
Q
what is the remaining 1% made up of
A
trace gases
7
Q
what is the remaining 1% made up of
A
trace gases magority argon
