Which Condition Would Act to Prevent a High Concentration Buildup

Q29: Since the 1970s, the overall trend in

Q30: Ozone in the stratosphere primarily forms over

Q32: Benzene, a known carcinogen, is an example

Q33: Which chemical destroys ozone in the stratosphere?<br>A)

Q34: Collectively,particles of soot,smoke,dust,and pollen are called<br>A) hydrocarbons.<br>B)

Q35: Strong winds tend to lower pollutant concentrations

Q36: Prior to the 1950s, the smoke in

Q37: What compounds would you expect to find

Q38: Instructions: Choose one answer from each pair

Q39: Under which of the following conditions would