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.
What Is the Population Density of the United States? The population density of the United States is approximately 87.4 people per square mile, according to the 2010 U.S. Census. What Is the Most Densely Populated Continent? Perhaps not surprisingly, the most densely populated continent is Asia. Here are the population densities of the continents: 1  North America - 32 people per square mile. 2  South America - 73 people per square mile. 3  Europe - 134 people per square mile. 4  Asia - 203 people per square mile. 5  Africa - 65 people per square mile. 6  Australia - 6.4 people per square mile.