Exam #9

Question 1

What is air pollution

Answer 1

the air of a substance which has harmful or poisonous effects.

Question 2

What is primary pollutant

Answer 2

Air pollutant emitted directly from human activity

Question 3

3 examples of primary pollutants

Answer 3

Soot from smoke, household products, power plants.

Question 4

What is a secondary pollutant?

Answer 4

Is not directly emitted as such

Question 5

Where do fine particles come from?

Answer 5

Form from the reaction of gasses or droplets in the atmosphere from sources like power plants

Question 6

Where do coarse particles come from?

Answer 6

Cement plants, mining operations,incinerators, wood burning fireplaces

Question 7

How much air pollution comes from gasoline being burned by vehicle?

Answer 7

1/3

Question 8

When was the clean air act passed?

Answer 8

1970

Question 9

What is ZEV

Answer 9

Zero emission vehicle

Question 10

What are the only true ZEVs?

Answer 10

Battery powered electric vehicles

Question 11

What are 2 partial ZEVs?

Answer 11

Hybrid vehicles.

Hydrogen powered.

Question 12

List industries that produce VOCs

Answer 12

Dry cleaning, oil refineries, chemical plants, auto body shops.

Question 13

What is a VOC

Answer 13

Chemical compound

Question 14

What is a scrubber?

Answer 14

A machine that moves gases through a spray of water that dissolves many pollutants

Question 15

What is smog?

Answer 15

When air pollution hangs over urban areas and reduces visibility

Question 16

How is smog created?

Answer 16

Results from chemical reactions that involves sunlight, air.

Question 17

What are some symtoms of short-term exposure to air pollution?

Answer 17

Headache, nausea

Question 18

How would the short term exposure to air pollution effects be reversed?

Answer 18

If your exposure to air pollution decreased.

Question 19

What are the long-term exposure effects to air pollution

Answer 19

Lung cancer, heart disease.

Question 20

What are some major sources of indoor air pollution?

Answer 20

Chemicals used to make carpets and paints.

Question 21

What is sick building syndrome

Answer 21

Buildings that have very poor air quality

Question 22

What is ventilation?

Answer 22

Mixing of outdoor air with indoor air

Question 23

What is radon?

Answer 23

Colorless, odorless, gas

Question 24

What is Asbestos

Answer 24

Minerals that form in long, thin fibers that are valued for their strength and resistance to heat.

Question 25

How has hearing loss changed since that 1970s?

Answer 25

Has doubled.

Question 26

What percentage of teens have permanent hearing loss?

Answer 26

14.9%

Question 27

What is the pain threshold for sound?

Answer 27

120dB

Question 28

What is the safe threshold for personal listening?

Answer 28

85dB for 8 hours.

Question 29

What are the effects of light pollution?

Answer 29

Increase headaches

Question 30

What is acid precipitation

Answer 30

Is a precipitation that contains a high concentration of acids

Question 31

How is acid precipitation created?

Answer 31

Burninf fossil fuels

Question 32

A lower pH means the substance is

Answer 32

More basic

Question 33

What is the pH of pure water

Answer 33

7

Question 34

What is the pH of normal precipitation

Answer 34

Less than 5.0

Question 35

What is acidification

Answer 35

Increase in the concentration acid

Question 36

What is acid shock

Answer 36

Rapid change in the waters PH .

Question 37

In what ways does acid precipitation affect humans?

Answer 37

Respiratory, various ways.

Question 38

What monuments are being affected by acid precipitation

Answer 38

Pyramid in egypt, acropolis in greece, rainforest of central america.

Question 39

When was the canada-U.S air Quality agreement signed

Answer 39

1991