CHAPTER 3 ENERGY SOLUTIONS
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click here for force click here for pressure click here for energy click here for heat click here for light click here for current electricity magnetism click here for classification of element click here for chemical reaction click here for acid, base and salt click here for some gases click here for metals click here for hydrocarbons and their derivatives click here for materials used in daily life click here for invertebrates click here for human Nervous and glandular system click here for blood circulation in human body click here for chromosome and sex determination click here for asexual and sexual reproduction click here for heredity click here for environment pollution and management click here for history of earth click here for climate change and atmosphere click here for the earth in the universe
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