Composition of the atmosphere Flashcards
1
Q
Nitrogen
A
78%
2
Q
Oxygen
A
21%
3
Q
Carbon Dioxide
A
0.038%
4
Q
Rare gases
A
1%
5
Q
Methane
A
0.00017%
6
Q
Ozone
A
0.0000007%
7
Q
Water vapour
A
Up to 4%
Variable
8
Q
Used in proteins
A
Nitrogen
9
Q
Aerobic respiration
A
Oxygen
10
Q
Photosynthesis
A
Carbon Dioxide
11
Q
Source of carbon for some chemoautotrophs
A
Methane
12
Q
Absorbs UV light
A
Ozone
13
Q
Dynamic equilibrium
A
2 processes which balance each other out
14
Q
Photosynthesis and respiration
A
Dynamic equilibrium
15
Q
Troposphere
A
10KM
20 degrees celcius down to -50 degrees celcius with increased altitude
