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
Alginate impression material is similar to agar-agar impression material in the following respect: 
Select and explain. 
A. Gelation increases in both on increase in temperature, B. Mixing time is increased to reduce the setting time, C. Deformation during removal of impression occurs due to distortion of gel. fibers, D. Both can be re-used for fresh impressions
C: Deformation during removal of impression occurs due to distortion of gel. fibers
Answer: C: Deformation during removal of impression occurs due to distortion of gel. fibers 
Explanation: None