The First Prototype of a Cell Phone Was Developed in the 1980s

question 15

True/False

The first prototype of a cell phone was developed in the 1980s.

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Definitions:

Birthrates

The number of live births per 1,000 people in a population over a given period of time.

Cohorts

Groups of people banded together or treated as a group, often referred to in research or demographics studies.

Social Security

A government program designed to provide financial assistance to people with little or no income, especially the elderly, disabled, and unemployed.

Social Change

The transformation over time of the institutions, culture, and structure of society.