Examlex
Which of the following is an example of a multistage cluster sample?
Oxygen Replenish
The process of increasing the oxygen level in an environment, typically through natural processes like photosynthesis or through artificial means.
Biological Methods
Techniques and processes used in the biological sciences, often for research, conservation, or managing natural resources, involving living organisms or derivatives thereof.
Bacteria Killed
Refers to the elimination or death of bacteria, typically through physical or chemical means such as disinfection or antibiotics.
Floating Objects
Items that are able to remain on the surface of a liquid or in the atmosphere due to the principles of buoyancy or air currents.
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