Question

which describes a feature of the physical changes of all substances?
can dissolve in water
can conduct heat and electricity
rearranges atoms to form new substances
does not change the identity of a substance

Explanation:

Physical changes do not alter the chemical composition or identity of a substance. Dissolving in water or conducting heat/electricity are not universal for all substances. Rearranging atoms to form new substances is a chemical change.

Answer:

does not change the identity of a substance