What would be an effective claim for this presentation? Instead of clogging local landfills with single-use water bottles, consider using water fountains or reusable bottles. Water is an important part of every student’s diet; it hydrates cells and aids in digestion. Every student is allowed to have a water bottle on his or her desk, and that adds up to a lot of water. Water bottles are a modern phenomenon that are convenient, inexpensive, and shatter-proof.