Class 7 science Practice Tests
Class 7 Science Online Tests
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The MCQ: Desalination plant is very expensive because it PDF, "Distillation" App Download (Free) with uses a large amount of fuel, is built on mountains and high lands, uses electric machinery for desalination, and is built with expensive material choices for distance learning classes. Study importance of water quiz questions, download Amazon eBook (Free Sample) for online classes.
MCQ: Desalination plant is very expensive because it
MCQ: As compare to water, pesticides and insecticides have
MCQ: Desalinated and distilled water is mostly used in
MCQ: For desalination plant, the first priority is
MCQ: For drinking, distilled water is
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