Which of the following is a characteristic of population pyramid of UK?
Wide base
Narrow base
Inverted base
Narrow base and reduced narrowing of each successive bar
When has population growth in the poor countries overtaken that in the rich countries?
Since First World War
Since Second World War
Since industrial revolution
Since Neolithic revolution
The number of live births per 1000 population in a year.
Birth rate
Death rate
Infant mortality rate
Population density growth