Author Question: Photochemical smog A) is a major component of London type smog. B) is caused by primary ... (Read 98 times)

TVarnum · **on:** Jul 14, 2018

Photochemical smog

A) is a major component of London type smog.
B) is caused by primary pollutants.
C) includes ozone as a component.
D) has few if any health effects.

Question 2

Pollutants that are formed in a manufacturing process or in the combustion process are called

A) primary pollutants.
B) secondary pollutants.
C) acid rain.
D) smog.