Question

Which of the following steps in wastewater treatment is an example of biotechnology?

Microorganisms are added to feed on solids in the wastewater.
Chlorine is added to disinfect wastewater before it is released.
Bar screening is used to separate solid wastes from liquid wastes.
Primary clarifiers allow solids to settle at the bottom of tanks.

Answer 1

The step in wastewater treatment that is an example of biotechnology is microorganisms are added to feed on solids in the wastewater (option A).

What is biotechnology?

Biotechnology is the use of living organisms (especially microorganisms) in industrial, agricultural, medical and other technological applications.

Biotechnology is a combination of two words namely;

• Bio meaning life
• Technology meaning practical application of knowledge

Biotechnology also refers to the application of the principles and practices of engineering and technology to the life sciences.

According to this question, treating wastewater using biotechnology involves the use of microorganisms to feed on the solids in the wastewater.

Learn more about biotechnology at: https://brainly.com/question/12871062

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