The coral reefs existing today began growing as early as 50 million years ago. Most established coral reefs are between 5,000 and 10,000 years old. Although size can be a good indicator of the age of a coral reef, it is not a certain indicator.he coral reefs existing today began growing as early as 50 million years ago. Most established coral reefs are between 5,000 and 10,000 years old. Although size can be a good indicator of the age of a coral reef, it is not a certain indicator.
Excessive flatulence is generally caused by bacteria that live in the intestines. Another, less common, cause is the swallowing of excessive air. Intestinal bacteria produce different amounts of gas depending on what you eat. Sugars and polysaccharides tend to yield flatulence. If excessive flatulence is a problem, adjusting your diet can make a big difference.
Flatulence. Flatulence is defined in the medical literature as flatus expelled through the anus or the quality or state of being flatulent, which is defined in turn as marked by or affected with gases generated in the intestine or stomach; likely to cause digestive flatulence..latus is brought to the rectum by specialized contractions of the muscles in the intestines and colon. The noises commonly associated with flatulence are caused by the vibration of the anal sphincter, and occasionally by the closed buttocks.