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Test # 21


1.
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 following statements given above is/ are correct ?

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Bulls are colorblind, therefore will usually charge at a matador's waving cape no matter what color it is -- be it red or neon yellow.      .. More >>

souari nut:
n.
1.large South American evergreen tree trifoliate leaves and drupes with nutlike seeds used as food and a source of cooking oil
2.a large nutlike seed of a South American tree      .. More >>
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