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
Force between denture and saliva is? 
Select and explain. 
A. Adhesive, B. Cohesive, C. Both, D. Intefacial tension
A: Adhesive
Answer: A: Adhesive 
Explanation: Force b/w like molecules = Cohesive force (like force within the thin film of saliva)
Force b/w unlike molecules = Adhesive force (like force b/w saliva & tissue or saliva & denture base)