General Studies I
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 of the statements given above is/are correct?
|B||2 and 3 only|
|C||1 and 3 only|
|D||1, 2 and 3|