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
Application of temperature(heat) will accelerate the rate of reaction of: 
Select and explain. 
A. Polyether, B. Polysulphide, C. Agar, D. Alginate
D: Alginate
Answer: D: Alginate 
Explanation: As alginate set by the chemical reaction, heat application will increase the rate of reaction.