human hair can be characterized by having a medulla that is:\na greater than 1/2 of the hair diameter\nb…

human hair can be characterized by having a medulla that is:\na greater than 1/2 of the hair diameter\nb absent of a scale pattern\nc greater than 1/2 of the hair diameter\nd less than 1/3 of the hair diameter\nback

human hair can be characterized by having a medulla that is:\na greater than 1/2 of the hair diameter\nb absent of a scale pattern\nc greater than 1/2 of the hair diameter\nd less than 1/3 of the hair diameter\nback

Answer

Brief Explanations:

Human hair is characterized by having a medulla that is less than 1/3 of the hair diameter. This is a key identifying feature in hair analysis.

Answer:

D. Less than 1/3 of the hair diameter