Microbial fuel cells are considered a source of sustainable energy Why 1 They use liv...........

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Microbial fuel cells are considered a source of sustainable energy. Why?

1) They use living organisms as catalysts to generate electricity from certain substrates.

2) They use a variety of inorganic materials as substrates.

3) They can be installed in waste water treatment plants to cleanse water and produce electricity.

Which statement(s) given above is/are correct?

Only 1

2 and 3

1 and 3

All of these

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Explanation:

1st statement is correct regarding Microbial fuel cells i.e. They use living organisms as catalysts to generate electricity from certain substrates.

A microbial fuel cell (MFC), or biological fuel cell, is a bio-electrochemical system that drives an electric current by using bacteria and mimicking bacterial interactions found in nature. MFCs can be grouped into two general categories: mediated and unmediated.