Answer:
I would start on Evaporation. I will then have to go through condensation, then precipitation, then a surface runoff then into groundwater which will start the evaporation process all over again :)
A scientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas. They are each made of matter. Some are compounds and some are elements. They all contain atoms. [ -best describe all of the materials he is using in the investigation. ]
