What should be changed to make the following sentence true according to sigmud freud unconscious drives influnced by sex and aggression and childhood socialization are the forces that inflience our personality

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.