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
Deformation that is recovered upon removal of an externally applied force or pressure is known as 
Select and explain. 
A. Young's modulus, B. Plastic strain, C. Elastic strain, D. Flexural strain
C: Elastic strain
Answer: C: Elastic strain 
Explanation: None