Methane is a colorless, odorless gas that is found naturally in the environment. It is a major component of natural gas and is also produced by the decomposition of organic matter.
Soda, on the other hand, is a carbonated beverage made with water, sugar, flavorings, and carbon dioxide gas.
While methane is not an ingredient in soda, it can be a by-product of the production process. For example, methane can be released during the fermentation of sugar to produce the carbon dioxide used to carbonate soda. However, this methane is typically released into the atmosphere and is not considered an ingredient.