This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Gypsum bonded investment should not be heated over: 
Select and explain. 
A. 700°C, B. 1,300°C, C. 1,063°C, D. 900°C
A: 700°C
Answer: A: 700°C 
Explanation: None