the heating curve shows the energy gain of a substance as it changes from solid to gas. which section of the graph shows the liquid phase of the substance gaining kinetic energy?

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

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Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.