What is the most important thing that fermentation produces? why is the product important?

Sugars are the most common substrate of fermentation, and typical examples of fermentation products are ethanol, lactic acid, carbon dioxide, and hydrogen gas (H2). However, more exotic compounds can be produced by fermentation, such as butyric acid and acetone.

Explanation:

Explanation:

Chest pain when sneezing is most commonly caused by chest wall problems like muscle strain. This happens because sneezing, coughing, and deep breathing move your rib cage and chest muscles up and down. In rare cases, chest pain when sneezing may be warning signs of a more serious problem.