Examlex
Define and discuss the importance of control groups and control variables in experimental research.
Exclusively
Solely or only; limited to a single person, group, category, or purpose without involving others.
Extensive Drought
A prolonged period of abnormally low rainfall, leading to a severe water shortage affecting large geographic areas.
Social Change
The alteration in the social order of a society, which may include changes in nature, social institutions, social behaviors, or social relations.
Demographic Changes
Alterations in the statistical characteristics of a population over time, including age, race, gender distribution, and other factors affecting population dynamics.
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