Assertion: photochemical smog | /r/Synonym | los angeles smog
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Source sentences:
text: Photochemical smog, which is also known as “Los Angeles smog,” occurs most prominently in urban areas that have large numbers of automobiles, and it requires neither smoke nor fog.
text: Photochemical smog, which is also known as “Los Angeles smog,” occurs most prominently in urban areas that have large numbers of automobiles.