1. Nowadays, more emphasis is given to human …………… (skills/resources) than their numbers.
2. In 2011, the density of population of India was …………… (382/250) persons per square kilometre.
3. The sex ratio of India …………… (increased/decreased) between 1901 and 2011.
4. People who have education, training and sufficient work experience are called …………… (skilled/unskilled) human resources.

An area that has sparse population

The life expectancy at birth in 2011

A labourer is an example of this