dulceslolipops dulceslolipops

24-05-2018
Social Studies

contestada

The most common source of infectious diseases in water supplies is _______.
a.
algal blooms
b.
sewage
c.
surface runoff
d.
none of the above

CORRECT ANSWER IS B

Respuesta :

Kkin1047 Kkin1047

24-05-2018

I thought it was surface runoff

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justinkneessi justinkneessi

20-04-2020

Answer:b

Explanation:

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