Overview
The Earth's atmosphere consists of numerous gases. The top four gases are Nitrogen, Oxygen, Argon, and Carbon Dioxide. Each gas has a specific purpose for maintaining conditions suitable for life on Earth.
| Gas | Percentage |
| Nitrogen | 78.08% |
| Oxygen | 20.94% |
| Argon | 0.93% |
| Carbon Dioxide | 0.03% |
| Other Gases | 0.02% |