Chapter 17 Flashcards by Pamela Betancourt

Q

Point source of pollution

A

Pollution from a specific source

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Q

Troposphere

A

First layer of atmosphere we breathe from

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Q

Stratosphere

A

Second layer of atmosphere with ozone layer

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Q

Mesosphere

A

Third layer of atmosphere

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Q

Permanent gases

A

Gases in the atmosphere whose concentration remains stable

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Q

Variable gases

A

Gases in the atmosphere whose concentration varies

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Q

Atmospheric pressure

A

Force exerted by weight of the air

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Q

Relative humidity

A

Amount of water vapor in the atmosphere

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Q

Convective circulation:

A

Air currents created by the spinning of the earth

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Q

Weather

A

Day-to-day conditions of the earths atmosphere

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Q

Climate

A

Long-term conditions of the earths atmosphere

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Q

Equinox

A

When the equator gets the most direct sunlight

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Q

Solstice

A

When the northern/southern part get the most direct sunlight

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Q

Front

A

Where air masses meet

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Q

Coriolis effect

A

Spinning of the earth

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Q

Acid deposition

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A

Acid Rain

Q

High-pressure system

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A

Cold air is pushed down

Q

Low-pressure system

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A

Warm air is allowed to rise

Q

Thermal Inversion

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A

Warm air and cold air flip

Q

Doldrums

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A

Areas of equator with no wind

Q

Trade winds

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A

Winds that push boats across planet

Q

Westerlies

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A

Wind that goes from the west to the east

Q

Non-point source of pollution

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A

Pollution from a general area

Q

Primary pollutants

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A

Pollution that comes from a specific source

Criteria pollutants

Pollutants directly harmful to humans

Sick-building syndrome

People get sick from pollutants in their house

Particulate matter

Small particles like dust or soot

NAAQS

Maximum allowable for criteria pollutants

Volatile organic compounds (VOC)

Toxic gases that come from gasoline or paint

Industrial smog

Smog that comes from factories

Photochemical smog

Primary pollutants mix with light

Chlorofluorocarbons

Poke holes in the ozone layer

Montreal Protoco

Act to protect ozone layer

Radon

Radioactive indoor pollutant

Secondary pollutants

Primary pollutants mix with other chemicals