Sociologists Bernard Berelson and John Samuel Have Identified Some Important

Multiple Choice

Sociologists Bernard Berelson and John Samuel have identified some important 'thresholds' associated with declines in fertility.Which of the following is not one of these thresholds?

A) Less than 50 per cent of the labour force is employed in agriculture.
B) Life expectancy is at least 60 years.
C) Eighty per cent of the females between the ages of 15 and 19 are married.
D) Infant mortality is less than 65 per 1 000 live births.