Question

how are smog formed what are it's harmful effect​

Answer 1

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Smog can cause or aggravate health problems such as asthma, emphysema, chronic bronchitis and other respiratory problems as well as eye irritation and reduced resistance to colds and lung infections. The ozone in smog also inhibits plant growth and can cause widespread damage to crops and forests.

Answer 2

Answer:

I think it's because of industries......... smog is formed when sunlight interacts with certain chemicals in the atmosphere. ... Ground-level ozone forms when motor vehicle emissions containing nitrogen oxide and volatile organic compounds (produced from paint and evaporation of fuel and solvents) react in the presence of sunlight.

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