Final answer:
Typical physical evidence at a crime scene includes trace, impression, biological, and physical evidence. These are crucial for forensic scientists to analyze and match against databases to identify individuals involved in a crime.
Step-by-step explanation:
Types of Physical Evidence in Forensic Science
There are various types of physical evidence that are typically found at a crime scene. The correct answer is C) Trace, impression, biological, physical. Trace evidence includes small pieces of material such as hair, fibers, or skin cells. Impression evidence consists of patterns or marks made by objects or tools on surfaces, like footprints, tire tracks, or tool marks. Biological evidence includes any samples of biological origin, for example, blood, saliva, semen, or body tissues, which are crucial for DNA analysis. Lastly, physical evidence encompasses a vast array of items, from weapons and clothing to documents and electronics that can offer substantial information about the crime.
Forensic scientists play a critical role in the analysis of this evidence, employing techniques such as DNA sequencing and matching it against databases to identify suspects or victims. Such evidence, when presented in court, can help reconstruct the events surrounding the crime.