PRELIMS 2011 · ENVIRONMENT

Microbial fuel cells are considered a source of sustainable energy. Why? 1. They use livi…

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Question

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 wastewater treatment plants to cleanse water and produce electricity.

Which of the following statements given above is/ are correct?

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