Homework Help: Environmental Science

Posted by Wilson on Monday, March 23, 2009 at 8:56am.

1. Estimate the velocity of the groundwater flowing from a point 1000 feet from a creek. The point is 30 feet above the surface of the creek and the permeability of the subsurface is approximately 10-5. Approximately how long would it take the groundwater to reach the creek?

2. Briefly define the following Water Quality Parameters: BOD, COD, TSS, TDS, and Nutrients.

3. Are Environmental Regulations necessary to control Industry? Please explain your response?

4. What is the best Technology for Hazardous Waste Management Control and why?

5. There is an abandoned gasoline station in your community, as the Municipal Environmental Manager, how you perform an Environmental Risk Assessment on the property? Provide the process and also what hazardous material/s would you be looking for?

6. An industry is located in a Hard Water area (high Carbonate concentration) and needs soft water for a specific chemical process, what procedure would it use to make soft water? Discuss the complete procedure, be specific.

7. Compare and contrast Aerobic and Anaerobic decomposition? What are the advantages and disadvantages of each?

Environmental Science - SraJMcGin, Monday, March 23, 2009 at 9:46am
Since you have so many questions, here's a little lesson on how to search on the Internet:

With thanks to Writeacher:

It looks as if what you need to do is learn how to conduct thorough and effective searches for yourself. That's what research is, and I'm sure that's what your teacher expects you to do -- conduct research. You are searching for information that is so specific that you have to be prepared for the possibility that none of it may be online. Or some may be, and some may not. In addition to searching on the Internet, you also need to make best friends with the reference librarian(s) in your local or college library.

http://www.sou.edu/library/searchtools/
At this webpage, you can go immediately to the search sites (first three columns across the top) -- or even better you can scroll down until you see the section called HOW TO SEARCH THE INTERNET. Those are the links to start with. You'll not only learn how to come up with good search terms, but also how to evaluate the webpages you get as results. Some will be good and others will be garbage. You need to know how to tell the difference.

My favorite way to search is to go to Google's advanced search page
< http://www.google.com/advanced_search?hl=en > and put my search words or phrases into the first or second search box (either "all the words" or "exact phrase"). However, there many other strategies for searching you can use, and the HOW TO SEARCH THE INTERNET section will help you best.

Learning HOW to use Google or other search engines can save you time and help you learn to find information efficiently. Here are some websites that can teach you how:

http://www.lib.berkeley.edu/TeachingLib/Guides/Internet/FindInfo.html

http://www.sou.edu/library/searchtools/searchtips.html

http://www.pandia.com/goalgetter/index.html

http://websearch.about.com/mbody.htm?once=true&COB=home&PM=112_100_T

... and one to help you judge whether a particular website's information is worth your time:

http://www.sou.edu/library/searchtools/evaluate.html

Happy searching.

=)http://hanlib.sou.edu/searchtools/

Sra

P.S. Feel free to repost anything you can not find.
Environmental Science - Wilson, Monday, March 23, 2009 at 10:21am
Thank you.

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