We all have mouths, or we at least know someone who does. Our mouths are often filled with dead animal and plant matter. This causes our mouths to smell bad. We do all sorts of things to clean out our mouths, because we have to communicate with them. Our mouths are pulling double duty, triple duty if you play the harmonica. Cleaning your mouth can dirty the planet. Here are some tips for a cleaner mouth and a cleaner planet.

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