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.
Population Density in Canada. The population density in Canada is 3.7 people per square kilometer, making it one of the least densely populated countries in the world. According to the World Bank, Canada is the 10th least densely populated country in the world. This overall figure, though, hides a wide variation within Canada.