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
Enamel hatchet is differentiated from chisel by all except: 
Select and explain. 
A. Curved in one plane only, B. Blade is larger, C. Blade is perpendicular to the long axis of handle, D. Blade is heavier
C: Blade is perpendicular to the long axis of handle
Answer: C: Blade is perpendicular to the long axis of handle 
Explanation: None