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Author Question: Describe the main ways the urban environment pollutes our water supply. What will be an ideal ... (Read 18 times)

sheilaspns

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on: Jul 21, 2018
Describe the main ways the urban environment pollutes our water supply.
 
  What will be an ideal response?

Question 2

Scientists can measure water pollution with all sorts of devices. How can we estimate the degree of water pollution by
  looking at macroinvertebrates in the water?


 
  What will be an ideal response?


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babybsemail

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Reply #1 on: Jul 21, 2018
Answer to Question 1

The urban environment pollutes our water supply from sewage disposal systems, chemical runoff, roadway runoff,
surface runoff, and seepage from municipal landfills



Answer to Question 2

Certain macroinvertebrates cannot survive in polluted water. Other species thrive in polluted water. If you sample
the macroinvertebrates in a body of water and find mostly pollution-intolerant species, the water is probably pretty
clean. If only pollution-tolerant species are present, the water is likely very polluted.



sheilaspns

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Reply 2 on: Jul 21, 2018
Gracias!

kilada

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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