Examlex
Researchers should inform clients as to how the proposed sample plan will result in a representative sample in order to avoid:
Contraception
Methods or devices used to prevent pregnancy as a result of sexual intercourse.
Pollutants
Substances introduced into the environment that cause harm or discomfort to organisms, often resulting from human activity.
Automobiles
Motor vehicles with four wheels, primarily designed for passenger transportation on roads.
Chlorofluorocarbons
Chemical compounds used in aerosols and refrigeration that deplete the ozone layer.
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