What are the components of smog among the following options?

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O₃

PAN

PPN and PBN

Both A and B

answer is D.

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Smog is a unique kind of air pollution made up of a variety of hazardous effluents from industrial and domestic processes.
Smog is composed of a variety of chemical substances, including nitrogen oxide (NO_X), sulfur dioxide (SO_x), carbon monoxide (CO), and many more volatile organic compounds (VOCs), but the two main substances are particulate matter (PM), which includes ozone and compounds like peroxyacetyl nitrate (PAN) that are found in the ground.
These constituents or pollutants, which are present in the smog, are chemically highly reactive and extremely dangerous to people and various animals.
Asthma and other respiratory illnesses, as well as several skin conditions and even eye irritation, can all be brought on by this kind of air pollution.

Hence, option D is the correct answer.

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