Examlex
________ dunes are linear sand ridges roughly parallel to the prevailing wind direction in areas of moderate sand supply.
Contaminated
Soiled or stained, particularly through contact with potentially infectious substances; no longer clean or sterile.
Mouth Pipette
A laboratory tool used historically for transferring small volumes of liquid, where the user would apply suction with their mouth.
Artifact
An object made or modified by humans, usually an item of historical or cultural interest.
Specimen
A sample taken for scientific testing or analysis, often used to refer to biological samples in medical contexts.
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