<prompt> Scab or crust of abrasion appears brown:Between 12-24 hrsBetween 2-3 daysBetween 4-5 daysBetween 5-7 days  <response>: The scab is reddish-brown, less tender and adhering over the abraded area on 2nd to 3rd day. Ref: Parks Textbook of Preventive and Social Medicine By K. Park, 6th Edition, Page 4.3; Textbook Of Forensic Medicine And Toxicology: Principles And Practice By Vij, 2008, Preview. 