Ch 21 Air Pollution

Question 1

Chronic inflammatory respiratory disorder. Attacks narrow airways, can be fatal

Answer 1

Asthma

Question 2

Material added to atmosphere that harms living organisms, affects climate or impacts structures

Answer 2

Air pollution

Question 3

Air pollutants released directly (cars, power plants)

Answer 3

Primary air pollutants

Question 4

Air pollutants react with one another or with other chemicals in the air

Answer 4

secondary air pollutants

Question 5

Pollutants released during fossil fuel combustion react with atmospheric oxygen in the presence of sunlight

Answer 5

ground level ozone

Question 6

particles small enough to remain aloft in air for long periods

Answer 6

particulate matter PM

Question 7

Hazy pollution that contains variety of pollutants including sulfur dioxide, nitrogen oxides, tropospheric ozone, and particulates

Answer 7

smog

Question 8

pollution from readily identifiable source such as a smokestack

Answer 8

point source pollution

Question 9

Pollution that enters air from dispersed or mobile sources

Answer 9

nonpoint source pollution

Question 10

6 “criteria pollutants” evaluated / regulated by EPA

Answer 10

sulfur oxides, carbon monoxide, nitrogen oxides, ground level ozone, lead, particulate matter (PM)

Question 11

a variety of chemicals that readily evaporate but don’t dissolve in water

Answer 11

VOCs (volatile organic compounds)