Assignment Three

After doing lessons six and seven, please answer the following questions. To answer some of the questions you have to visit the links (web sites) on every lesson. Also, you may used the text book to answer some of the questions. Please answer the questions in MS word, attach your answers to an e-mail and send it to me. Please be clear and precise, use complete sentences.

1. What is the Hydrologic cycle?
2. What are the major sources for groundwater pollution?
3. How does water supplies influence population developments and dynamics?
4. What is the Bureau of Reclamation?
5. What are some of the river issues that the American Rivers Organization deals with?
6. What type of information can you obtain from the Water Resources of the US web page?
7. List and explain the major steps on drinking water treatment.
8. What contaminants may be found in drinking water? What are the health effects of contaminats in drinking water? (EPA web page).
9. What are trihalomethanes (THM's)?
10. What is the difference between sedimentation and flocculation-coagulation?
11. Who is reponsible for drinking water quality? (EPA web site).

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