Which is a difference between gross physical evidence and trace physical evidence? gross physical evidence is small or tiny, while trace physical evidence is easily seen. gross physical evidence is easily seen, while trace evidence is very small. gross physical evidence is only found at the scene of a crime, while trace evidence is found on the suspect. gross physical evidence is always liquid, while trace physical evidence is always solid.

The difference between gross physical evidence and trace physical evidence is that B. Gross physical evidence is easily seen, while trace evidence is very small.

Explanation:

Gross physical evidence refers to any tangible object found -and easily seen- at the scene of the crime, and may include weapons, biological material and all sort of prints (because they can be pulled off and turned into a legal representation for the purpose of analysis.)  

Trace evidence refers to a very small piece of evidence that was left at the crime scene that the investigators use to identify or make connections with a suspect of the crime. These trace materials may include hair, fibers, feathers, soil, etc.