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Biology, 13.07.2019 19:50 iilovejohnccena1022

Photochemical smog: a. is sometimes called london-type smog. b. was more prevalent in the 1800s than the 1900s. c. is caused primarily by industrial emissions. d. is formed from chemical reactions involving sunlight, nitrogen oxides and hydrocarbons. e. is generally worse during the winter months.

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Photochemical smog: a. is sometimes called london-type smog. b. was more prevalent in the 1800s tha...
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