Why do girls burp?

farting- also known as "Flatus" is the expulsion of Intestinal Gas through the Anusthis is due to the result of bacterial fermentation in the colon, a part of Digestion.

people fart around 8-20 times in 24 hours 476-1491ml in 24 hours,this is normal

If it doesnt fall under normal limits/ odor is too offensive with other symptoms it could be pathological.

Burping also known as Belching or eructation- due to swallowing air while eating or drinking- for example while we drink carbonated drinks like colas

sometimes excessive belching combined with other symptoms can point out to a specific disease