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Sewage pumping stations are not prone to blockages and require little maintenance.
True Experiment
An experimental design with a control group and an experimental group, where the researcher manipulates the independent variable to observe its effect on the dependent variable.
Research Question
A specific question that a study aims to answer, providing focus and direction for the research.
Materialism
The belief or attitude that physical possessions and their acquisition are more important than spiritual or emotional values.
Modern Societies
Societies characterized by advanced technological development, industrialization, and complex political and cultural structures.
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