Examlex
Scientists estimate that a low-waste society could use reduction,reuse,and recycling to cut its waste by
Multistage Sampling
A complex sampling technique involving several levels of selection, often used in surveys to efficiently gather data from a large population.
Core Sample
A cylindrical section of a naturally occurring substance, most often sediment or rock, extracted to examine its structure or composition.
Geologists
Scientists who study the Earth, its materials, and the processes by which it is shaped and changed.
Voluntary Sample
A sampling method where participants are chosen based on their willingness to participate in the research or survey, possibly leading to bias.
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