Answer:
Water can be converted from a liquid state into a gaseous state by heating the water until it reaches 100 C.
Explanation:
At 100 C, the boiling point of water, the water molecules will start to move faster and faster that they won't be able to hang on to each other. So, the molecules will escape into the atmosphere.
You would want to approach the person and see if they are breathing and call for an ambulance.