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| Solid particles that are microscopic in size and are suspended in the air |
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| The force applied to the earth's surface by the weight of the overlying atmosphere |
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| Increase of temperature with height in the atmospehere |
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| Airborne particles and gases that occur in concentrations that endanger health and well-being of organisms, or disrupts the orderly functioning of the environment |
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| A chemical that has been added directly to the air by natural events or human activities and occurs in harmful concentrations |
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| A harmful chemical formed in the atmosphere by reacting with normal air components or other air pollutants |
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| A mixture of certain primary and secondary pollutants formed when they interact with sunlight |
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| Chloroflurocarbons. Most serious threat to the ozone shield. known as freon |
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| Hydrochloroflurocarbons. Major current subsitute for CFC's. Break down in trophosphere so dont make it to stratosphere. Temorary replacement |
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| The physical process whereby shortwave, solar energy is transmitted relatively easily through the atmosphere, while longwave, terrestrial energy is partially absorbed, the re-radiated back toward the earth's surface by certain atmospheric gases |
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| If one thing happens, it influences the occurence of something else; positive feedbacks are those which will encourage or enhance greenhouse warming, and negative feedbacks are those which will discourage or reduce greenhouse warming |
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| Proportion in atmosphere does not change over time or space (nitrogen, oxygen, argon, trace gases) |
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| proportions do change over time/space (water vapor, ozone, carbon dioxide) |
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| Most commonly found toxin indoors |
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| Added to materials because of its heat resistance, strength, chemical inertess, and ability to be woven into fabric. *Not harmful unless fibers disturbed |
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| a radioactive, colorless, tasteless, ordorless gas. produced from breakdown of uranium |
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