|
Earth’s Atmosphere |
Percentage |
Greenhouse Gas (GHG)? |
|---|---|---|
|
Nitrogen |
78.08% |
No |
|
Oxygen |
20.95% |
No |
|
Water |
0% to 4% |
Yes |
|
Argon |
0.93% |
No |
|
Carbon Dioxide |
0.039% |
Yes |
|
Neon |
0.0018% |
No |
|
Helium |
0.0005% |
No |
|
Methane |
0.00017% |
Yes |
|
Hydrogen |
0.00005% |
No |
|
Nitrous Oxide |
0.00003% |
Yes |
|
Ozone |
0.000004% |
Yes |