Unit One: Air $100 $200 $400 $300 $400 AtmosphereAir PollutantsOzoneClimate Change $300 $200 $400...

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nit One: Air

Transcript of Unit One: Air $100 $200 $400 $300 $400 AtmosphereAir PollutantsOzoneClimate Change $300 $200 $400...

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Unit One: Air

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Ozone Climate Change

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The layer of the atmosphereclosest to the Earth.

What is the Troposphere?

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A yellow pollutant, found asan impurity in coal, that formsa gas when burned that reacts

with water to form acid rain.

What is sulfur?

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These chemicals were the first to be banned for destroying

the stratospheric ozone.

What are chlorofluorocarbons?

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These gases absorb infrared radiation andtrap heat on the Earth.

What are greenhouse gases?

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The unreactive gas that makes up about 79%

by volume of the gases in the atmosphere.

What is nitrogen?

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A vital substance inour stratosphere that

protects us from uv radiation butis a dangerous pollutant

at ground level.

What is ozone?

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This treaty, signed by all UN countries in 1987, is an

agreement to ban the use of certain ozone damaging gases .

What is the Montreal Protocol?

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The concentration of this gas in our atmosphere has been

increasing more rapidly since theindustrial age and is now

measured at about 390 ppmv.

What is carbon dioxide?

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The tilt of the Earth on its axis.

What causes summer and winter (the seasons)?

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A reddish brown gasthat causes smog and acid rain.

What is nitrogen dioxide?

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Although we’ve stoppedproducing CFCs this

will take another 50-60 years.

How long will it take for the ozone layer to repair?

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An effect of increased dissolved CO2 that damages coral reefs.

What is ocean acidification?

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The method of heat transfer where matter absorbs pure energy carried by photons.

What is heat transfer by radiation?

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This legislation resulted insignificant decreases inall major air pollutantsmonitored by the EPA.

What is The Clean Air Act?

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These effects would beexpected in a world

where the ozone layer is severely depleted.

What are increased skin cancer and eye cataracts?

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Carbon dioxide, methane,water, sulfur hexafluoride

What are some important greenhouse gases?

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The reflectivity of a surface.

What is albedo?

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This kind of air pollution is caused by emissions of nitrogen oxides

that react with ultraviolet radiationto form secondary pollutants.

What is photochemical smog?

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These banned substances were once used in refrigerators and

air conditioners.

What are chlorofluorocarbons?

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The leading international body for the assessment

of climate change.

What is the IPCC ?