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Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

Which three statements represent the benefits of performing experiments using computer simulations?

Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.