Science

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acid deposition

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a type of air pollution that includes acid that falls from the atmosphere to the earth as acid rain.

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acid rain

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a form of acid deposition

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adaptation

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a state of adjustment

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aerosol effect

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atmospheric cooling that occurs as a result of aerosol pollution

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aerosol

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tiny paricles of natural and human-produced air pollution that are so small they remain suspended in the atmosphere for days or even weeks

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agroforestry

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forestry and agricultural techniqes that are used to improve degraded areas.

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carbon dioxide

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a clear, oderless gass, a comdination of C02

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chlorofluorocarbons

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man made organic composed of carbon, chlorine, and fluorine that have a number of industrial and commercial applications but being banned because they are distroying the ozone layer

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circumpolar vortex

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a mass of cold air that circulatesaround the southern polar region ozone hole

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dry deposition

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a form of acid deposation in which dry, sulfate-containing particles settle out of the air

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forest decline

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a gradual deterioration(and often death) of many trees in a forest

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hydrochlorofluorocarbons

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things that attack ozone, athough they are hot as destructive as the chemicals they are replacing.

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hydrofluorocarbons

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things that do not attack ozone, although they are potent greenhouse gases

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global warming

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warming of our atmosphere produced by the build up of carbon dioxide and other greenhouse gasses

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greenhouse effect

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the global warming of our atmosphere produced by the build up of carbon dioxide and other gasses, which trap the sun's radation in much the same way that glass does in a greenhouse

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iron

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something hard, strong, and rigid, unyielding

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methane

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the simplest hydrocarbon, CH4 which is an odorless, colorless, flammable gas

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mitigation

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to make something less syvere

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montreal protocal

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international negotiations that resulted in a timetable to phase one CFC production

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mount pinatubo

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a volcano in the west-central part of luzon island

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nitrous oxide

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clear, sweet-tasting, sweet- smelling slightly water-soluble gass,N2O

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ozone depletion

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the destruction of the stratospheric ozone layer

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ozone "hole"

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the hole in the ozone layer

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pH

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a meserment of acidity of a substance

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stratosphere

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a layer of the atmosphere were the ozone layer is

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troposphere

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the lowest layer of the atmospher high in some areas and as much as 12mi up

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tropospheric ozone

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harmful ozone in the troposphere.

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UV radation

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harmful light rays from the sun

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wet deposition

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the accumulation of acids or acidic compounds in the soil, lakes, or aceans

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