Ozone (O₃)forms Naturally in the ____________________ When Atomic Oxygen (O)combines

Q28: _air pollutants enter the atmosphere directly-from smokestacks

Q29: What does the word smog mean? Explain

Q30: Tropospheric ozone is a secondary pollutant forming

Q31: Concentrations of tropospheric ozone are normally higher

Q32: Particulate pollution with diameters less than 2.5

Q34: In which part of the United States

Q35: Sulfur dioxide (SO₂)can enter the atmosphere naturally

Q36: Sulfur-rich aerosols have the net effect of

Q37: Air pollutants can come from both natural

Q38: The original Clean Air Act in the