This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Death and postmortem changes, Subject name: Forensic Medicine
Casper's dictum refers to - 
Select and explain. 
A. Rate of putrefaction, B. Rigor mois, C. Rate of cooling of body, D. Greenish discoloration of another abdominal skin
A: Rate of putrefaction
Answer: A: Rate of putrefaction 
Explanation: Caspers dictum states that a body decomposes in air twice as rapidly as in water and eight times as rapidly in eah. Dr. Narayana Reddys Synopsis of Forensic Medicine & Toxicology 27 th edition pg. 86.