Final answer:
Fingerprints are unique to each individual and are formed by the ridges on our fingers. When touching a glass surface, the ridges of our fingerprints transfer onto the glass, leaving behind a pattern that can be used for identification purposes.
Step-by-step explanation:
Fingerprints are unique to each individual and are formed by the ridges on our fingers. When touching a glass surface, the ridges of our fingerprints transfer onto the glass, leaving behind a pattern that can be used for identification purposes.