Class notes 2.15

Class notes 2.15 - Biology 1006-2/15/10 McBride 210 @ 6 60...

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Biology 1006-2/15/10 McBride 210 @ 6 60 multiple choice questions Energy isn’t distributed fairly amongst the world Red Sunsets-particles in the atmosphere causes this (forest fires, volcano soot) Asteroid strike on earth Nuclear Winters: can cause a lot of cooling Acid Rain: sulfur dioxide, nitric oxide, hydrogen sulfide + water=sulfuric acid and Nitric Acid, which has a pH of 2, very acidic o Sources of Acid Rain: burning fossil fuels (coal, oil, gas) and the industry o Results: dissolve carbonates, marble, limestone, and cement, corrodes metals, leaches nutrients from soil, o Spruce, fir and pine forests are very affected by acid rain and may even die Ozone (O3): acts as a mirror and reflects ultra violet light away, provides earth shine o Dangers- increase ionizing radiation (increase mutations, cataracts, skin cancer Wear sun block and UV resistant sunglasses o CFC’s-chloro-flouro carbons Smog: made up of NO2, SO3, H2O, photochemical reactions, PANs are created which
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This note was uploaded on 01/18/2012 for the course BIO 1006 taught by Professor Staff during the Spring '10 term at Virginia Tech.

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Class notes 2.15 - Biology 1006-2/15/10 McBride 210 @ 6 60...

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