Belching (big burps) is a symptom in which a person forces air noisily from his stomach out through his mouth. Belching can be due to too much air or gas in the stomach. Sometimes, people purposely swallow air and belch it back out to make noise. ...Read more.
mid africa is very sparsely populated .. it includes Congo, tanzania, kenya, angola. These areas are under-developed, lack of food.. more-over these areas have a good wild-life and hence leading into a sparce africa.id africa is very sparsely populated .. it includes Congo, tanzania, kenya, angola. These areas are under-developed, lack of food.. more-over these areas have a good wild-life and hence leading into a sparce africa.
UN World Population Day 2015: These are the 10 most densely populated cities on the planet. There are now more than seven billion people on the planet, a figure that continues to grow every year. In 1950, the population was just 2.5 billion, which means a whopping growth rate of 180%.