Discussion
Tool marks does not consist of :
Answer: C
Tool marks do not consist of elemental composition.
A tool mark is the impression a tool leaves on a surface, and its forms are indentations (impressed or compression marks), striations (sliding marks), and combinations of these such as cutting and drill marks.
Elemental composition is a property of materials: traces of paint or metal transferred between the tool and the surface can be analysed for their elements, but that is trace evidence associated with a tool mark, not a part of the mark itself.
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