Ultraviyole ışınlarının ani artışı araştırmacıları ozon deliklerinin varlığına inandırdı.
- The sudden increase of ultraviolet rays made the researchers believe in the existence of ozone holes.
Ozon tabakası olmasa, tehlikede oluruz.
- If not for the ozone layer, we would be in imminent danger.
Callis says that the ozone hole now developing over the Antarctic is as deep as last year's hole, but seems to cover a smaller area.
... With oxygen comes an ozone layer, ...