nitrogen oxides and sulfur dioxide (sulfur compounds)

Low pH and Acid

Lemon Juice and Battery Acid

Particulate Matter and Carbon Dioxide

Develop Alternate Energy Sources (Solar Power, Wind Energy)

Use Less Energy

Stop Burning Fossil Fuels

All of the Answers are Correct

sulfur and particulate matter

volatile organic compounds and nitrogen oxides

carbon monoxide and carbon dioxide

none of these answers are correct

Troposphere

Inversion Layer

Ozone Layer

Carbon Dioxide

Troposphere (lower portion)

Stratosphere (upper portion)