Ch. 18 & 19

the falling of acids and acid forming compounds from the atmosphere to earth’s surface

liquid or solid particles that are suspended in air or gas; also referred to as particulate matter

one or more chemicals in high enough concentrations in the air to harm humans, other animals, vegetation, or materials

ability of a surface to reflect light

human-centered pollution

the sales weighted average fuel economy which is defined by the average mileage traveled by a car per gallon of gasoline

warming of the earth’s troposphere because of increases in the concentrations of greenhouse gases

harmful air pollutants that form from emissions from everyday items combining with other pollutants which then heat in the sunlight

type of air pollution consisting mostly of a mixture of sulfur dioxide, suspended droplets of sulfuric acid, and suspended solid particles

colorless and highly reactive gas and a major component of industrial smog

decrease in ozone concentration in the stratosphere

complex mixture of air pollutants produced in the troposphere by the reaction of hydrocarbons and nitrogen oxides through sunlight

chemicals that have been added to the air directly by natural events or harmful activities and occurs in harmful concentrations

harmful chemicals formed in the atmosphere when a primary air pollutant reacts with normal air components or other air pollutants

good ozone, produces oxygen molecules to interact with UV radiation and prevent 95% of it from reaching the surface

broad term referring to the long term changes in any aspects of the earth’s climate, especially temperature and precipitation