According to the Demographic Transition Model of human population growth, what is the primary cause of the rapid population growth seen in countries trying to transition from a pre-industrialized stage to an industrialized stage?

A steady decrease in the death rate

Explanation:

Based on the scenario being described within the question it can be said that according to this model the primary cause of this is a large steady decrease in the death rate of that population. This causes the population to increase drastically, which later on causes the birth rates to also decrease steadily and drastically over time.

answer; /// i believe that the correct answer is(cognitive revolution);

answer; i believe the correct answer is enlightenment;