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
The tensile strength of dental amalgam is 
Select and explain. 
A. 27-55 MPa, B. 60-100 MPa, C. 120-140 MPa, D. 18-20 MPa
A: 27-55 MPa
Answer: A: 27-55 MPa 
Explanation: None