Human resources

(a)   in India is most densely populated area .

(a)   is the most populated continent of the world .

(a)   is the ultimate resource.

(a)   is a country that has experienced a loss in population numbers due to out - migration or emigration .

In 1999 ,the world population reached (a)   .

Varanasi,Jerusalem and Vatican City are some examples of (a)   factors.

(a)   percent of the world’s people stay in just 10 countries

More than 90percent of the world’s population lives in about (a)   percent of the the land surface .

(a)   in Japan is most densely populated area.

(a)   is known as population study.