Answers 5120VB Environmental Science Sem B- B Water PollutionQuestion 7

7

QuizMultiple Choice

Water Pollution

Question 7 • 5120VB Environmental Science Sem B- B

The most common source of infectious diseases in water supplies is _______.a.algal bloomsb.sewagec.surface runoffd.none of the above

Answer

A

A

B

B

C

C

D

D

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