please help faster and don't give irrelevant answers
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hi
[D] ii and iv
I hope it will help you
Verified answer
Option "D" O3 and NO
Because....
Ground-level ozone, the topic of this website, is “bad” because it can trigger a variety of health problems, particularly for children, the elderly, and people of all ages who have lung diseases such as asthma. Learn more about ground-level ozone. Ozone is a gas composed of three atoms of oxygen (O3).