| Zawartość w powietrzu | Odpowiedź | % Poprawnych |
|---|---|---|
| 20.946% | tlen | 100%
|
| 78.084% | azot | 94%
|
| 0.00005% | wodór | 84%
|
| 0.932% | argon | 75%
|
| 0.00052% | hel | 69%
|
| 0.0411% | dwutlenek węgla | 66%
|
| 0.00181% | neon | 66%
|
| 0.000008% | ksenon | 56%
|
| 0.00011% | krypton | 47%
|
| 0.00017% | metan | 16%
|