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9.2 Smog Heat Island Effect Noise Lights
Smog Dirty clouds of pollution
Industrial Smog Power plants that burn coal and oil Sulfur dioxide (SO2)
Photochemical Smog Burning gasoline Nitrogen oxides (Nox), ozone, PAN React with sun
Ozone Ground level Irritate and damage lungs Difficulty breathing Make asthma symptoms worse
PAN Peroxyacetyl nitrates Respiratory and eye irritants Cause cancer Kill plants
Ozone Levels Monitored everyday Warnings on high days
Atmospheric Ozone Good Protects earth Radiation
Catalytic Converters Eliminates car emissions Carbon monoxide (deadly) Nitrogen (make smog and acid rain; unhealthy) Hydrocarbons (generate ozone and smog)
Urban Heat Island Effect City is hotter than rural neighbors More dark surfaces to absorb / maintain heat More machines, air conditioners, heaters
Solutions to Heat Island 1.More plants and trees 2.More light surfaces
Noise Pollution Distracting, irritating, or damaging sounds Airplanes, trains Construction Loud music
Decibel (dB) Measures sound 120 dB can cause deafness
Light Pollution City lights on all night Harms nocturnal animals Cant see stars
Air Pollution. Whats in the Air? Nitrogen, oxygen, carbon dioxide, water vapor, and other gases Air pollution –Solid particles and gases that are released.
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Composition Nitrogen: 78.1% Oxygen: 20.9% Other Gases: Argon : 0.9% CO 2 : ~370 ppm: Green House Gas Methane: Green House Gas Ozone: blocks UV radiation.
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OBJECTIVE 14 Trace biogeochemical cycles through the environment, including water, carbon, oxygen, and nitrogen Relating natural disasters, climate changes,
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