MCQOPTIONS
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| 1. |
Microbial fuel cells are considered a source of sustainable energy. Why?1. They use living organisms as catalysts to generate electricity from certain substances.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 statements given above is/are correct? |
| A. | 1 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |