What Is in a Fart? The composition of a fart is 59 percent nitrogen, 21 percent hydrogen, 9 percent carbon dioxide, 7 percent methane, and 4 percent oxygen. Why Do Some Farts Smell Worse Than Others? Sulfur causes the smell produced when farting. The more sulfur that is present in the diet, the more smelly the flatulence Why Are Some Farts Louder Than Others? There are a few different factors that affect the noise produced by flatulence. This includes the tightness of the sphincter, the amount of gas, and the force behind the fart. Do All Cultures Disapprove of Flatulence in Public? In China, you can actually get a job as a professional fart-smeller! In ancient Rome, Emperor Claudius, fearing that holding farts in was bad for the health, passed a law stating that it was acceptable to break wind at banquets. Can Farts Be Lit on Fire? While lighting farts on fire may seem like a cool party trick, it is quite dangerous. The methane and hydrogen found in a fart make it very flammable. How Often Do People Fart? We know everyone farts, but how often? While many women will not admit to it, most individuals experience flatulence at least 14 times each day. Is There Any Way to Prevent Flatulence? Flatulence is both natural and unavoidable. Corpses even have flatulence for up to three hours after death. How much do people fart? On average, you'll pass about half a liter of gas a day. What Other Species Fart? The top ten farting animals are the following:1. Termites2. Camels3. Zebras4.Sheep5. Cows6. Elephants7. Dogs8. Humans9. Gerbils