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65. Where can pollutants from a watershed end up?

48. Hazardous waste is:  

74. Fishing pressures (overexploitation) have eliminated _____% of top trophic-level predators in the oceans.  

56. What happens when the water table drops below sea level in aquifers near the ocean?  

71. What effect do acidic ocean waters have on shells made of calcium carbonate?  

30. Today, if we were to purchase a good or service at its true cost, how would the price compare with what we are accustomed to paying for the good or service?  

66. The Mississippi River watershed includes land area from:  

Part 3, Bonus question, 5 points added to your Part 1+Part 2 score; answer the bonus question in the text box. The IPAT Model.  Give the equation for the IPAT model, define I, P, A, and T .  

67. What was the dramatic event that helped spur passage of the 1972 Clean Water Act?  

73. Where would you find the HIGHEST concentration of coral reefs?