Examlex
Which of the following statements is true?
Research Process
A systematic method of investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.
Sewage Treatment
The process of removing contaminants from wastewater, primarily from household sewage, involving physical, chemical, and biological processes to produce environmentally safe treated wastewater.
Narcotics
Drugs that can lead to dependence and are used medically for pain relief but may be illegal or subject to strict control.
Intervening Variable
A third variable, sometimes overlooked, that explains the relationship between two other variables.
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