Biology, 08.05.2020 06:57 mallardmya2006

Formaldehyde is a volatile organic compound that is involved in the formation of photochemical smog in heavy metropolitan areas.
What is most likely a direct source of formaldehyde in the atmosphere?
combustion of fossil fuels
disintegration of road surfaces
evaporation from lumber products
aerosol particles from pressurized cans

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