When placed in a freezer, liquid water turns into solid ice. why is this considered a physical change? a. the physical structure of the water molecules change as bonds are broken and atoms are rearranged.. b. only the motion and arrangement of the particles changes, not the identity of the substance.. c. the water molecules react when exposed to the cold temperature, causing the atoms to separate.. d. only the arrangement of the atoms within the molecules changes, not the distance between them