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Gucchi:
Which of the following steps in wastewater treatment is an example of biotechnology? Bar screening is used to separate solid wastes from liquid wastes. Chlorine is added to disinfect wastewater before it is released. Specialized bacteria are used to breakdown harmful substances. Primary clarifiers allow solids to settle at the bottom of tanks.
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Gucchi:
am i right with C?
Gucchi:
@alexis1415
jkmiec26:
Yeah you are.
Gucchi:
@jkmiec26 wrote:
Yeah you are.
Gucchi:
i js guessed it
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Jasonisyours:
Yeah
Gucchi:
@jasonisyours wrote:
Yeah
Gucchi:
i need an explanation or sum
Gucchi:
@jhonyy9
Rylee88:
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