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
Best property of high copper amalgam as compare to low copper 
Select and explain. 
A. more corrosion, B. high marginal strength, C. better tensile strength, D. less liquid require for mix
D: less liquid require for mix
Answer: D: less liquid require for mix 
Explanation: None