Final answer:
A fingerprint impression found in a piece of clay would be an example of a biometric identifier. Biometric identifiers are unique physical or behavioral characteristics that can be used to identify an individual.
Step-by-step explanation:
A fingerprint impression found in a piece of clay would be an example of a biometric identifier. Biometric identifiers are unique physical or behavioral characteristics that can be used to identify an individual. Fingerprinting is a common biometric identification technique used in forensics and criminal investigations. Fingerprints are unique to each individual and do not change over time, making them reliable for identification purposes.