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Which of these best summarizes the ozone-oxygen relationship described in the chapter? atmosphere

Question
Which of these best summarizes the ozone-oxygen relationship described in the chapter? atmosphere
O2 and O3 are the same molecule with different names
O2 is essential for life while O3 (ozone) is poisonous at ground level but protective in the upper
O3 is essential for breathing while O2 is a poison
Neither O2 nor O3 has any biological significance
Answer
O2 is essential for life while O3 (ozone) is poisonous at ground level but protective in the upper
Detailed Explanation
The chapter distinguishes O2, essential for aerobic life, from ozone (O3), which is poisonous but serves a protective function high in the atmosphere. — Examisthan.com
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