Question

1. what are 3 things a fingerprint can be used to prove? identification

Explanation:

Fingerprints are unique to individuals, so they can prove identity (confirming who a person is), presence at a crime scene (showing someone was at a location), and involvement in an activity (like handling an object). Other valid points could include linking to a suspect, verifying access rights, or establishing a person's role in an event.

Answer:

1. Identity (confirming the person's identity).
2. Presence at a crime scene (showing the individual was at a specific location).
3. Involvement in an activity (e.g., handling a particular object).