Examlex
In general researchers engage in three kinds of observation. They are:
Sub-Saharan Africa
Sub-Saharan Africa is the area of the African continent located south of the Sahara Desert, characterized by its diverse cultures, languages, and geographic features.
Central Europe
A region of Europe situated between the variously and ambiguously defined areas of Eastern and Western Europe.
Epidemiology
The study and analysis of the distribution, patterns, and determinants of health and disease conditions in defined populations.
Social Aspects
The elements of life that involve interactions with others, including relationships, traditions, and community participation.
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