| ozone → CreatedBy → chemical reactions | 0.58 | |
| ozone → CreatedBy → passing oxygen | 0.42 | |
| ozone → CreatedBy → lightning | 0.41 | |
| ozone → CreatedBy → sun's ultra-violet rays | 0.33 | |
| ozone → CreatedBy → volatile organic compounds | 0.30 | |
| ozone → CreatedBy → waterfall | 0.25 |