APES Unit 7 Vocab

A fossil fuel that forms underground from partially decomposed plant material, contains sulfur

the process of burning something

Concentration of trace substances, such as carbon monoxide, sulfur dioxide, nitrogen oxides, hydrocarbons, and solid particulates, at a greater level than occurs in average air

SO2, a gas produced by coal burning which increases the acidification of rain water

Hg, toxic metal released from fossil fuel combustion

Particulates that are less than 10 microns in diameter. These particulates are present in the smoke created by burning wood.

particulates less than 2.5 microns, particles are capable of being inhaled deeply into the lungs, particles are not cleared readily from the body

NOX,Various gaseous compounds, including NO2 and NO3, which commonly result from industrial processes involving combustion.

O3, Ozone that occurs in the troposphere, where it is a secondary pollutant created by the interaction of sunlight, heat, nitrogen oxides, and volatile carbon containing chemicals.

organic molecules consisting of carbon and hydrogen

1970- law that established national standards for states, strict auto emissions guidelines, and regulations, which set air pollution standards for private industry

A pollutant that is put directly into the atmosphere by human or natural activity

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

Sulfur oxides and nitrogen oxides, emitted by burning fossil fuels, enter the atmosphere-where they combine with oxygen and water to form sulfuric acid and nitric acid-and return to Earth's surface

A brownish haze that is a mixture of ozone and other chemicals, formed when pollutants react with each other in the presence of sunlight