Govenrment
This is the US agency responsible for enforcing the Clean Air Act.
What is the EPA, or Environmental Protection Agency?
Layer of the atmosphere closest to Earth.
What is the troposphere?
Main gas produced by burning fossil fuels.
What is carbon dioxide?
This is what AQI stands for.
What is Air Quality Index?
This is the most common gas in air.
What is nitrogen gas?
The Clean Air Act of 1970 was a law to reduce this.
What is air pollution?
The region of the atmosphere that contains the ozone layer.
What is the stratosphere?
Pollutants that reacts with sunlight to form ground level ozone.
What are NOx (nitrogen oxides) and VOCs (volatile organic compounds)?
This is what CAA stands for related to air quality.
What is the Clean Air Act?
This gas is about 21% of the air we breathe.
What is oxygen?
International agreement signed in 1997 aimed to reduce greenhouse gas emissions.
What is the Kyoto Protocol?
The middle layer of the atmosphere where the temperatures drop and meteors burn.
What is the Mesosphere?
Heavy metal once common in gasoline, that is a toxic air pollutant that can harm brain development.
What is lead?
This is what CARB stands for when related to air.
What is the California Air Resources Board?
This is the formula for carbon dioxide.
What is CO2?
This gas is regulated by the EPA as it is a major contributor to acid rain.
What is sulfur dioxide, SO2?
The layer of the atmosphere where temperatures rise significantly.
What is the Thermosphere?
Invisible, odorless gas that can accumulate in homes and is the second leading cause of lung cancer.
What is radon?
This is what UV stands for.
What is ultraviolet radiation?
This is the triatomic molecule that is able to absorb harmful UV rays in the stratosphere.
What is O3 or Ozone?
The California state agency that enforces air pollution regulations and vehicle emissions standards.
What is CARB, or the California Air Resources Board?
The outermost layer of the atmosphere, where satellites orbit.
What is the exosphere?
Chemical class that includes benzene, that can be emitted from paint and cleaning products.
What are VOCs or volatile organic compounds?
This is what NAAQS stands for.
What are the National Ambient Air Quality Standards?
These are the states of matter in which water exists in the atmosphere.
What are gas, solid, and liquid?