This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Death and Medicolegal Aspects, Subject name: Forensic Medicine
For how long in cremation, 900-1000degC is used: 
Select and explain. 
A. 30 min, B. 1 hr, C. 2 hr, D. 3 hr
A: 30 min
Answer: A: 30 min 
Explanation: Ans: a (30 min)In cremation 900-1000degC is used for at least 30 min.