Exam 2

Question 0

Atmospheric layers include

Answer 0

Thermosphere, mesosphere, stratosphere, troposphere

Question 1

What is the percent breakdown of gases in the atmosphere?

Answer 1

78% N2, 21% O2, 1% Argon

Question 2

Describe the troposphere

Answer 2

0-11km, temp decreases with altitude

Question 3

Describe the stratosphere

Answer 3

11-50km, temp increases with altitude, contains the ozone layer

Question 4

Describe the mesosphere

Answer 4

50-90km, temp decreases with altitude

Question 5

Describe the thermosphere

Answer 5

90-500km, very thin air, very hot

Question 6

What are the 7 major classes of air pollutants?

Answer 6

Particulate matter, nitrogen oxides, sulfur oxides, carbon oxides, hydrocarbons, tropospheric O3, hazardous air pollutants (Pb)

Question 7

NO2

Answer 7

Foul smelling red gas, from vehicle exhaust, industry, electricity pollution; contributes to smog and acid precipitation

Question 8

SO2

Answer 8

Foul smelling colorless gas; from coal burning, contributes to acid precipitation

Question 9

CO

Answer 9

Odorless colorless gas, from vehicle exhaust

Question 10

CH4

Answer 10

Odorless colorless gas; main component of natural gas; from livestock and landfills

Question 11

O3

Answer 11

Sharp smelling colorless gas; secondary pollutant from sunlight + heat + NO2/volatile hydrocarbons

Question 12

Human sources of outside air pollution

Answer 12

Transportation, fuel combustion from other sources, industrial processes, misc

Question 13

Natural sources of outdoor air pollution

Answer 13

Volcanoes, dust storms, fires

Question 14

Gray air smog is composed of

Answer 14

Soot, sulfur, CO2, CO

Question 15

Brown air smog is composed of

Answer 15

NO2, O3, volatile organic compounds (VOCs)

Question 16

US Clean Energy Act

Answer 16

Enacted 1970, allows EPA to enforce limits on air pollutants

Question 17

Two main types of indoor air pollution

Answer 17

Smoke and radon gas

Question 18

What depletes ozone?

Answer 18

Mainly CFCs

Question 19

When were CFCs banned in the US? Globally?

Answer 19

1978, 1987

Question 20

What did the Montreal Protocol (1987) do?

Answer 20

Banned CFCs worldwide

Question 21

What is the pH of rain in Statesboro?

Answer 21

4.8

Question 22

How much has the temperature gone up in the last 50 years?

Answer 22

.5 degrees F

Question 23

What is the IPCC?

Answer 23

Intergovernmental Panel on Climate Change

Question 24

The 2000s were the warmest decade in ____ years

Answer 24

1000 years

Question 25

What are the 5 main greenhouse gases?

Answer 25

CO2, NO2, tropospheric O3, CH4, CFCs

Question 26

CO2 has increased by what percent in the last 200 years?

Answer 26

33%

Question 27

How many lbs of CO2 are added per gallon of gas burned?

Answer 27

191lbs of CO2

Question 28

Since 1958, CO2 has increased from 315ppm to

Answer 28

400ppm

Question 29

What greenhouse gas has seen the greatest increase?

Answer 29

CH4

Question 30

How much has CH4 increased since 1750?

Answer 30

150%

Question 31

How much is nitrous oxide up since 1750?

Answer 31

20%

Question 32

How many inches have sea levels risen over the past century?

Answer 32

8 inches

Question 33

What percentage of species do we stand to lose from global warming?

Answer 33

Up to 50%

Question 34

What percentage of the US population lives in cities?

Answer 34

80%