unit 7 genuinely just shoot me dead

Air Pollution

The introduction of chemicals, particulate matter, or microorganisms into the atmosphere at cocnentrations high enough to harm plants, animals, and materials such as buildings, or to alter ecosystems.

Sulfur Dioxide (SO2)

A corrosive gas that comes primarily from combustion of fuels such as coal and oil, including diesel fuel from trucks.

Haze

Reduced visibility, contributed to by particulate matter.

Smog

A type of air pollution that is a mixture of oxidants and particulate matter.

Lead (Pb)

A trace metal that occurs naturally in rocks and soils, is present in small concentrations in coal and oil and is a neurotoxin.

Hydrocarbons

Pollutant compounds that contain carbon-hydrogen bonds, such as gasoline and other fossil fuels, lighter fluid, dry-cleaning fluid, oil-based paints, and perfumes.

VOC’s

Primary Pollutant

A polluting compound that comes directly out of a smokestack, exxhaust pipe,or natural emission source.

Secondary Pollutant

A primary pollutant that has undergone transformation in the presence of sunlight, water, oxygen, or other compounds.