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9 June, 05:28

Which of these is most likely

to have a harmful effect on water

quality?

a. having water laws and

regulations

b. using chemical indicators to

check water quality

c. treating sewage to kill

pathogens

d. letting pollutants wash out

to sea

+4
Answers (1)
  1. 9 June, 05:39
    0
    I would say D because of run off
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