Ch. 7 Key Terms

Question 1

air pollution

Answer 1

is a mixture of solid particles and gases in the air.

Question 2

primary pollution

Answer 2

air pollutant emitted directly from a source.

Question 3

secondary pollution

Answer 3

secondary pollutant is not directly emitted as such sourses

Question 4

smog

Answer 4

fog or haze combined with smoke and other atmospheric pollutants.

Question 5

temperature inversion

Answer 5

lso called thermal inversion, a reversal of the normal behaviour of temperature in the troposphere

Question 6

sick-building syndrome

Answer 6

is a condition in which people in a building suffer from symptoms of illness or become infected with chronic disease from the building in which they work or reside.

Question 7

asbetos

Answer 7

Asbestos is a natural mineral and carcinogen that causes mesothelioma.

Question 8

decibel

Answer 8

a unit used to measure the intensity of a sound or the power level

Question 9

acid precipation

Answer 9

s a broad term that includes any form of precipitation with acidic components,

Question 10

Ph

Answer 10

a scale of acidity from 0 to 14. It tells how acidic or alkaline a substance is.

Question 11

acid shock

Answer 11

acid shock