6. 1. It can be vapor - as the steam from your breath or cooking, or unseen as humidity in the air. 2. It can be liquid - as a beverage or a lake, stream, river or ocean. 3. It can be solid - as ice.

14. Water pollution is the action of environmental contamination with man-made waste into water. The source of this waste could be raw sewage, chemicals, trash, or fertilizer. Water pollution has severe human consequences. Example “how air pollution affects water pollution”.