This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
Marbling is noticed by 
Select and explain. 
A. 18 hours, B. 24 hours, C. 36 hours, D. 48 hours
C: 36 hours
Answer: C: 36 hours 
Explanation: Ans. (c) 36 hours.