HW23 - HW23 Q1 Which of the following statements concerning...

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Q1 Which of the following statements concerning biological pollutants is INCORRECT? a. Biological pollutants include bacteria, viruses, and parasites. b. Biological pollutants are usually from human and animal wastes. c. Coliform bacteria are particularly hazardous to humans. d. Biological pollutants cause diseases such as typhoid (bacteria), hepatitis A (viral), and dysentery (parasite). Q2 Which of the following statements concerning chemical pollutants is INCORRECT? a. Acid Mine Drainage is produced by the reaction of FeS 2 with water in the absence of air. b. Eutrophication is the excessive growth of algae and aquatic plants due to oversupply of nutrients (nitrate and phosphate). c. The source of acid mine drainage is the waste rock from mining operations. d. Sulfuric acid can release heavy metal pollutants (Al, Hg, Pb, Cd, and As) from waste rock into the drinking water supply. Q3 Which of the following statements concerning physical pollutants is INCORRECT? a. Oil spills average 3-6 million tonnes per year in the US. b. The solubility of oxygen gas in water increases with increasing temperature. c.
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This note was uploaded on 10/19/2011 for the course CHEM 83 taught by Professor Bonk,j during the Fall '08 term at Duke.

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HW23 - HW23 Q1 Which of the following statements concerning...

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