_____ is one of the clearest ways of distinguishing between industrial and developing countries.

A) The interest rate
B) The birth rate
C) The enrolment rate
D) The number of skyscrapers
E) The composition of the population

Enrolment Rate

The percentage of individuals who are registered or enrolled in an educational institution relative to the eligible population.

Industrial Countries

Nations with highly developed industries and infrastructure, often characterized by significant levels of manufacturing, services, and technology sectors.

Developing Countries

Nations with lower levels of industrialization, lower living standards, and often lower Human Development Index (HDI) scores compared to developed countries.