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
Ratio of diameter of enamel rods in the DEJ to the
enamel surface is 
Select and explain. 
A. 1:04, B. 1:01, C. 1:02, D. 2:01
C: 1:02
Answer: C: 1:02 
Explanation: None