which statement describes indoor air pollution?\nsmog is a common source of indoor air pollution.\nultrafine…

which statement describes indoor air pollution?\nsmog is a common source of indoor air pollution.\nultrafine particles are classified as indoor air pollutants.\nindoor air pollution does not affect symptoms for people with asthma.\nchemicals from industrial power plants cause indoor air pollution.

which statement describes indoor air pollution?\nsmog is a common source of indoor air pollution.\nultrafine particles are classified as indoor air pollutants.\nindoor air pollution does not affect symptoms for people with asthma.\nchemicals from industrial power plants cause indoor air pollution.

Answer

Brief Explanations:

Smog is mainly an outdoor - air phenomenon. Indoor air pollution can affect asthma symptoms. Chemicals from industrial power plants are more of an outdoor source. Ultrafine particles can be generated indoors from sources like cooking, smoking, etc., and are classified as indoor air pollutants.

Answer:

Ultra - fine particles are classified as indoor air pollutants.