Chapter 12 key terms

Question 1

Air Pollution

Answer 1

When harmful substances build up in the air to harmful levels.

Question 2

Primary Pollutant

Answer 2

When a pollutant is put directly into the air by human activity.

Question 3

Secondary Pollutant

Answer 3

When primary pollutants interact with eachother.

Question 4

Smog

Answer 4

When pollution hangs over urban areas and reduces visability.

Question 5

Temperature Inversion

Answer 5

When the air above is warmer then air below (sometimes by decreasing in altitude).

Question 6

Sick-building Syndrome

Answer 6

Buildings that have very poor air quality.

Question 7

Asbestos

Answer 7

Several fibers that are valued for their resistence for heat.

Question 8

Decibel (dB)

Answer 8

The measurement of the intensity of sound.

Question 9

Acid Precipitation

Answer 9

Rain, sleet, or snow that contains hgh levels of acids.

Question 10

pH

Answer 10

The measurement of the acidity level are something (0 being the highest acid and 14 being the highest base).

Question 11

Acid Shock

Answer 11

The sudden influx of acidic water that causes a rapid change in the pH.