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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?
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Area around a charged object where the objects can exert a force on another charged objects is an electric
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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?...
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