| Zawartość w powietrzu | Odpowiedź | % Poprawnych |
|---|---|---|
| 20.946% | tlen | 100%
|
| 78.084% | azot | 94%
|
| 0.00005% | wodór | 85%
|
| 0.932% | argon | 76%
|
| 0.00052% | hel | 70%
|
| 0.0411% | dwutlenek węgla | 67%
|
| 0.00181% | neon | 67%
|
| 0.000008% | ksenon | 58%
|
| 0.00011% | krypton | 48%
|
| 0.00017% | metan | 15%
|