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Unit 7 Lessons 1, 2, and 3

Horizontales
A tiny particle of solid that is suspended in air or water
The weather conditions in an area over a long period of time
A gas molecule that is made up of 3 oxygen atoms
A gradual increase in average global temperature
The layer of the atmosphere that lies between the troposphere and the mesosphere and in which temperature increases as altitude increases; contains the ozone layer
Rain, sleet, or snow that contains a high concentration of acids.
A mixture of gases that surrounds a planet, moon, or other celestial body
The uppermost layer of the atmosphere in which temperature increases as altitude increases
The layer of the atmosphere at an altitude of 15km - 40km in which ozone absorbs ultraviolet solar radiation.
Verticales
A long period of climatic cooling during which the continents are glaciated repeatedly
A measure of the pollutants in the air that is used to express how clean or polluted the air is.
The measure of the force with which air molecules push on a surface
The warming of the surface and lower atmosphere of Earth that occurs when water vapor, carbon dioxide and other gases absorb and reradiate energy
The contamination of the atmosphere by the introduction of pollutants from human and natural sources
The layer of the atmosphere between the stratosphere and the thermosphere in which temperature decreases as altitude increases
The lowest layer of the atmosphere in which temperature drops at a constant rate as altitude increase; the part of the atmosphere where weather conditions exist
Air pollution that forms when ozone and vehicle exhaust react with sunlight