Question

please help faster and don't give irrelevant answers​

Answer 1

hi

[D] ii and iv

I hope it will help you

Answer 2

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).