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
Q30 Which of the following is not a type of wax: 
Select and explain. 
A. Ceresin wax., B. Japan wax., C. Sticky wax., D. Candelilla wax.
B: Japan wax.
Answer: B: Japan wax. 
Explanation: Japan wax and cocoa butter are the types of fat.