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GE101 - Exam 3 > Impacts on Air > Flashcards

Impacts on Air Flashcards

1
Q

What is a global problem?

A

Air pollution

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2
Q

What are the natural pollutants in air pollution?

A

Burning fossil fuel
industrial processes
incineration of solid wastes
forest and agricultural fires
evaporation of solvents

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3
Q

What are the primary pollutants?

A

Carbon dioxide
carbon monoxide
nitrogen oxides
particulates
sulfur oxides
hydrocarbons

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4
Q

What are the 4 factors of affecting air pollution?

A

Climate
Weather
wind patterns
topography

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5
Q

What magnifies the effects of air pollution?

A

Temperature inversion

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6
Q

What may have the most serious effects far away?

A

Air pollutants generated in one place

(EX: levels of urbanization and industrialization)

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7
Q

By the cause of air pollution, this gives the opportunity to adopt what?

A

Pollution controls

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8
Q

What returns to Earth as acidic in rain, snow, fog, or dust?

A

Oxides of sulfur and nitrogen that change chemically in the atmosphere

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9
Q

What are the sources of the release of sulfur and nitrogen?

A

Vehicles
industries
power plants
ore-smelting facilities

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10
Q

Can pollutants be deposited far from their source?

A

Yes

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11
Q

What are the 3 kinds of effects of air pollution?

A

Terrestrial: Harms soils and vegetation
Aquatic: harms fish and other aquatic life
Material: damages buildings and monuments

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12
Q

How is photochemical smog produced?

A

By the interaction of hydrocarbons and
oxides of nitrogen in the presence of sunlight

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13
Q

What is the main source to make photochemical smog?

A

Vehicles
Industries

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14
Q

Who is the primary component in the making of photochemical smog?

A

The ozone

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15
Q

Why is the ozone the primary component?

A

Its warm, dry and poor air circulation promote
formation

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16
Q

Who does the photochemical smog damage?

A

Human health and vegetation

17
Q

What destroys the ozone layer?

A

Emissions from a variety of chemical

EX: chlorofluorocarbons (CFCs)

18
Q

Where has the ozone shields dropped?

A

Over the midlatitudes

19
Q

What happens if more UV radiation reach the Earth’s surface?

A

Skin Cancer
Suppresses bodily defenses
reduces agricultural productivity
damage to phytoplankton

20
Q

Are we phasing out of ozone-depleting substances?

A

Yes

21
Q

What still remains as a serious problem in many developing countries (particularly where major metropolitan areas are growing at explosive rates)?

A

Air pollution

GE101 - Exam 3 (9 decks)

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