Question

what is smog ??????​

Answer 1

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what is smog ?

Smog is air pollution that reduces visibility. The term "smog" was first used in the early 1900s to describe a mix of smoke and fog. The smoke usually came from burning coal. Smog was common in industrial areas, and remains a familiar sight in cities today.

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how is it caused?

Photochemical smog is produced when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. Nitrogen oxides come from car exhaust, coal power plants, and factory emissions. VOCs are released from gasoline, paints, and many cleaning solvents.

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how it is harmful?

smog is harmful to both the respiratory (lungs) and cardiovascular (heart) systems. It aggravates heart problems, bronchitis, asthma, and other lung problems. Smog reduces lung function even in healthy people. Even at low levels, ground level ozone and fine particulate matter are harmful.

Answer 2

$\huge\bold\red{What\:is\:smog:-}$

Simple cause of air pollution.

It was first used in early 1900s.

The mixture of of smoke and fog is called smog.

$\huge\bold\red{Effects \:of \:smog</h2><h2>-}$

There are harmful effects of smog->

It can cause asthma, emphysema and other respiratory problems as well as eye problems.

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Hopefully it will help