A.I. Explanation:

Correct answer: scene

Explanation: The word 'scene' fits grammatically as it is a noun that refers to the location of a crime, aligning with the context of discussing how fingerprints can identify a suspect's presence. It maintains the logical flow of the sentence by paralleling the concept of physical evidence in crime-solving.

Meaning: A 'scene' refers to a specific location where an event, particularly a crime, has occurred.

Wrong options:

• report: A 'report' is a document that provides information, which does not fit the context of a physical location related to a crime.
• traces: While 'traces' refers to evidence left behind, it does not represent a location, making it unsuitable here.
• file: A 'file' is a collection of documents or data, which does not relate to the physical aspect of a crime scene.
• media: 'Media' refers to various means of communication or storage, which does not pertain to the location of a crime.
• cases: 'Cases' refers to instances of crime or legal matters, which does not fit as a location.

Correct answer: traces

Explanation: The term 'traces' is a plural noun that refers to the remnants or evidence left behind in digital formats. It fits grammatically and contextually as it describes the digital evidence that can be collected, paralleling the earlier mention of fingerprints.

Meaning: 'Traces' are small signs or remnants that indicate something has been present or has occurred, in this case, digital evidence.

Wrong options:

• report: A 'report' is a document that summarizes information, which does not fit as it does not refer to remnants or evidence.
• scene: 'Scene' refers to a location, which does not align with the concept of digital evidence left behind.
• file: A 'file' is a collection of data or documents, which does not convey the idea of remnants or evidence.
• media: 'Media' refers to communication channels or formats, which does not relate to the concept of evidence left behind.
• cases: 'Cases' refers to instances of crime or legal matters, which does not fit as it does not describe remnants.

Correct answer: cases

Explanation: The word 'cases' is a plural noun that refers to instances of crime or legal matters. It fits grammatically and contextually as it describes the types of situations forensic experts are working to solve, maintaining the logical flow of the text.

Meaning: 'Cases' refer to specific instances of crime or legal issues that require investigation.

Wrong options:

• report: A 'report' is a document that provides information, which does not fit as it does not refer to instances of crime.
• traces: While 'traces' refers to evidence, it does not represent instances of crime or legal matters, making it unsuitable here.
• file: A 'file' is a collection of documents or data, which does not relate to specific instances of crime.
• scene: 'Scene' refers to a location where a crime occurs, which does not fit as it does not describe a type of situation or instance.
• media: 'Media' refers to various means of communication or storage, which does not pertain to instances of crime.