One student did an experiment with salt water. the steps of the experiment are shown below. pour half a cup of salt water into a pan. keep the pan outside in the sun for a day. allow all the water in the pan to evaporate. observe a white residue at the bottom of the pan. the student's experiment demonstrates that when water evaporates, it a. changes into solid minerals b. leaves solid minerals behind c. turns solid minerals into powder d. converts gases into solid minerals