The world human population has increased dramatically during the past few centuries due to:

A) increased immigration.
B) increased emigration.
C) decreased death rates.
D) increased birth rates.
E) decreased birth rates.

Human Population

Refers to the number of humans living in a specific area or globally, including its growth, density, and distribution.

Death Rates

The ratio of total number of deaths to the total population in a specified community or area over a particular period of time, often expressed per 1000 individuals.

Birth Rates

The number of live births per thousand individuals in a population per year.