Final answer:
(3) Document Examination Unit.
The responsible unit for the examination of ink and paper is the Document Examination Unit, which handles tasks like authenticity verification and material analysis in forensic science.
Step-by-step explanation:
The unit responsible for the examination of ink and paper is the (3) Document Examination Unit.
This specialized unit applies its expertise in evaluating various aspects of documents, such as handwriting, typefaces, ink, and paper analysis, to determine the authenticity of a document or to identify any alterations that may have been made.
The examination of ink and paper can be an integral part of forensic science, where the physical and chemical analysis of these materials can provide crucial evidence in criminal investigations.
The responsible unit for the examination of ink and paper is the Document Examination Unit, which handles tasks like authenticity verification and material analysis in forensic science.