Class 9 physics Practice Tests
Class 9 Physics Online Tests
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The MCQ: Change in the quality of the environment that can be harmful to living things is called; "Physics: Sources of Energy" App Download (Free) with answers power, energy conversion, pollution to study online classes courses. Solve work and energy quiz questions, download Google eBook (Free Sample) for online school and college.
MCQ 1: The change in the quality of the environment that can be harmful to living things is called
MCQ 2: The energy coming directly from magma is called
MCQ 3: Dams are used for generation of
MCQ 4: Fossil fuels are
MCQ 5: An electric lamp produces
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