Air ReviewWeather, climate, and pollution

Climate is the general pattern of weather over a period of at least

a. 30 years b. 30 days c. 30 minutes d. 30 centuries

Climate is the general pattern of weather over a period of at least

a. 30 years

Environmentalists are likely to   a. ventilate their homes

periodically b. use houseplants that filter the

air c. maintain the vents for stoves,

fireplaces, and heaters d. all of these answers

Environmentalists are likely to   a. ventilate their homes

periodically b. use houseplants that filter the

air c. maintain the vents for stoves,

fireplaces, and heaters d. all of these answers

Indoor air pollution could be sharply reduced by a. modifying building codes to

prevent radon infiltration b. requiring exhaust hoods or vent pipes

for stoves, refrigerators, or other appliances burning natural gas or other fossil fuels

c. finding substitutes for potentially harmful chemicals

d. all of these answers

Indoor air pollution could be sharply reduced by a. modifying building codes to

prevent radon infiltration b. requiring exhaust hoods or vent pipes

for stoves, refrigerators, or other appliances burning natural gas or other fossil fuels

c. finding substitutes for potentially harmful chemicals

d. all of these answers

Humans are protected from air pollution by a. sneezing and coughing b. mucus capturing small particles c. nasal hairs filtering out large

particles d. all of these answers

Humans are protected from air pollution by a. sneezing and coughing b. mucus capturing small particles c. nasal hairs filtering out large

particles d. all of these answers

In 1990, EPA rated indoor air pollution as the ____ out of 18 sources of cancer risk.

a. first b. second c. third d. fourth

In 1990, EPA rated indoor air pollution as the ____ out of 18 sources of cancer risk.

a. first

Acid deposition can a. release soluble aluminum ions b. deplete acid-buffering

chemicals in the soil c. altering calcium and

magnesium uptake from the soil d. all of these answers

Acid deposition can a. release soluble aluminum ions b. deplete acid-buffering

chemicals in the soil c. altering calcium and

magnesium uptake from the soil d. all of these answers

Acid deposition can affect living organisms by a. killing fish, aquatic plants, and

microorganisms in lakes and streams b. damaging tree roots c. making trees more susceptible

to diseases d. all of these answers

Acid deposition can affect living organisms by a. killing fish, aquatic plants, and

microorganisms in lakes and streams b. damaging tree roots c. making trees more susceptible

to diseases d. all of these answers

In general, acid deposition can have harmful effects when pH falls below the level of ___.

a. 8.1 b. 5.1 c. 6.1 d. 7.1

In general, acid deposition can have harmful effects when pH falls below the level of ___.

b. 5.1

Which of the following areas would be least likely to have a thermal inversion?

a. an area near the coast b. an area in the central plains c. a valley surrounded by

mountains d. the leeward side of a mountain

range

Which of the following areas would be least likely to have a thermal inversion?

b. an area in the central plains

Which of the following statements is true? a. thermal inversion occurs when a

layer of cold air prevents warm air from rising

b. thermal inversions exacerbate pollution problems

c. thermal inversions last only a few minutes to a few hours

d. normally, cool air near Earth’s surface expands and rises, carrying pollutants higher into the troposphere

Which of the following statements is true? b. thermal inversions

exacerbate pollution problems

The frequency and severity of smog in an area depends least upon the

a. local climate and topography b. fuels used in industry, heating,

and transportation c. size of the ozone hole over the

Arctic d. density of the population

The frequency and severity of smog in an area depends least upon the

c. size of the ozone hole over the Arctic

Scientists classify indoor and outdoor air pollution as a. high-risk human health

problems b. moderate-risk human health

problems c. low-risk human health problems d. high-risk ecological problems

Scientists classify indoor and outdoor air pollution as a. high-risk human health

problems

. In 1987, 36 nations meeting in Montreal, Canada developed the Montreal Protocol to reduce production of

a. carbon dioxide b. nitrous oxide c. CFCs d. toxic wastes

. In 1987, 36 nations meeting in Montreal, Canada developed the Montreal Protocol to reduce production of

c. CFCs

Human health problems closely associated with ozone depletion include all of the following except

a. skin cancer b. eye cataracts c. increased incidence of heart

disease d. suppression of the immune

response

Human health problems closely associated with ozone depletion include all of the following except

c. increased incidence of heart disease

Which of the following charges against the theory of ozone depletion is true?

a. CFC molecules cannot reach the stratosphere because they are heavier than air

b. The best models of ozone production and destruction estimate that global ozone levels should be 10% less than what we actually observe

c. Sodium chloride from the evaporation of sea spray contributes more chlorine to the stratosphere than do CFCs.

d. There is no scientific proof that ozone depletion is occurring.

Which of the following charges against the theory of ozone depletion is true?

b. The best models of ozone production and destruction estimate that global ozone levels should be 10% less than what we actually observe

Which if the following is false? a. over 44 years passed from the first

production of CFCs until the firs awareness that they could cause environmental damage

b. CFCs are stable, odorless, nonflammable, nontoxic, and noncorrosive chemicals

c. CFCs are found in bubbles in Styrofoam and insulation

d. CFCs are important because they help screen out ultraviolet radiation from reaching Earth’s surface

Which if the following is false? d. CFCs are important because they

help screen out ultraviolet radiation from reaching Earth’s surface

Prevention approaches to global warming include all of the following except

a. increase beef production to strengthen public health

b. halt deforestation c. switch to sustainable

agriculture d. slow population growth

Prevention approaches to global warming include all of the following except

a. increase beef production to strengthen public health

The fossil fuel that released the least carbon dioxide per unit of energy is

a. oil b. natural gas c. coal d. petroleum

Scientists who claim the global climate system is so complex we will never have the level of certainty wanted by decision makers urge

a. take no action now because global warming is all hype

b. take action now based on the precautionary principle

c. take no action until we get more data

d. take action to reverse the climate changes we have caused thus far

Scientists who claim the global climate system is so complex we will never have the level of certainty wanted by decision makers urge

b. take action now based on the precautionary principle

In a warmer world we would expect more a. droughts b. hurricanes c. prolonged heat waves d. all of these answers

In a warmer world we would expect more a. droughts b. hurricanes c. prolonged heat waves d. all of these answers

We are uncertain about how a. carbon dioxide will affect the

rate of photosynthesis b. continued changes in polar ice

will occur c. temperature fluctuations over

the last 100 years d. all of these answers

We are uncertain about how a. carbon dioxide will affect the

rate of photosynthesis b. continued changes in polar ice

will occur c. temperature fluctuations over

the last 100 years d. all of these answers

We have the most certainty about a. variations in solar output b. the role the oceans will play in

global warming c. temperature fluctuations over

the last 100 years d. the role of polar ice in global

warming

We have the most certainty about c. temperature fluctuations over

the last 100 years

Current global climate models suggest that climate change a. will never happen b. will be toward the warmer side

over the next century c. will be toward the colder side

over the next century d. will reach stabilization after two

hundred years

Current global climate models suggest that climate change b. will be toward the warmer side

over the next century

Correspondence between climate models and the real world depends upon

a. the design and assumptions of the model

b. the accuracy of the data c. factors that amplify or dampen

changes in average global temperatures d. all of these answers

Correspondence between climate models and the real world depends upon

a. the design and assumptions of the model

b. the accuracy of the data c. factors that amplify or dampen

changes in average global temperatures d. all of these answers

In 1995, the International Governmental Panel on Climate Change concluded that

a. global climate change is a hoax b. the earth is likely to experience

an Ice Age in the next century c. the slight rise in temperature

observed over the last century was caused by changes in solar cycles

d. the slight rise in temperature observed over the last century was probably influenced by human causes

In 1995, the International Governmental Panel on Climate Change concluded that

d. the slight rise in temperature observed over the last century was probably influenced by human causes

Atmospheric concentration of carbon dioxide a. was about 100 parts per million prior

to the Industrial Revolution, according to ice core analysis

b. has declined exponentially since the Industrial Revolution

c. has increased exponentially since the Industrial Revolution

d. is projected to decrease by half by 2050

Atmospheric concentration of carbon dioxide c. has increased exponentially

since the Industrial Revolution

Increased greenhouse gases originate from a. burning fossil fuels b. deforestation c. use of CFCs d. all of these answers

Increased greenhouse gases originate from a. burning fossil fuels b. deforestation c. use of CFCs d. all of these answers

The most important greenhouse gas contribution by humans is a. chlorofluorocarbons (CFCs) b. water vapor c. nitrous oxide d. carbon dioxide

The most important greenhouse gas contribution by humans is d. carbon dioxide

The primary greenhouse gas in the atmosphere is a. chlorofluorocarbons (CFCs) b. water vapor c. nitrous oxide d. methane

The primary greenhouse gas in the atmosphere is

b. water vapor

All of the following are greenhouse gases except a. carbon dioxide b. water vapor c. methane d. nitrogen

All of the following are greenhouse gases except d. nitrogen

The term greenhouse effect a. describes occupational diseases of

florists b. describes the trapping of heat energy in

the troposphere by certain gaseous molecules

c. describes the trapping of heat energy in the stratosphere by nitrogen

d. describes efforts being made by the White House to support environmental legislation

The term greenhouse effect b. describes the trapping of heat energy

in the troposphere by certain gaseous molecules

Climate is influenced by a. the amount of incoming solar

radiation b. Earth’s rotation c. tilt of the Earth’s axis and

Earth’s revolutions d. all of these answers

Climate is influenced by a. the amount of incoming solar

radiation b. Earth’s rotation c. tilt of the Earth’s axis and

Earth’s revolutions d. all of these answers

The two most important factors in climate are a. temperature and insulation b. precipitation and pressure c. humidity, clouds, and wind d. temperature and precipitation

The two most important factors in climate are d. temperature and precipitation

Features of weather include all of the following except: a. temperature b. barometric pressure c. wind direction d. ozone concentration

Stratospheric ozone helps to prevent a. sunburn b. skin cancer c. eye cancer and cataracts d. all of these answers

Stratospheric ozone helps to prevent a. sunburn b. skin cancer c. eye cancer and cataracts d. all of these answers