Hehe i hope it can help you
I think you need to explain more for one to answer it.
Please give more details and I'll try to help (if this is meant to be a question)
Answer:
Protraction and retraction are the movements of the mandibule. <em>Protraction is when the lower mandibule is pushed forward and retraction is when the lower jaw is pulled backward. </em>You can see in the image I added the example of these movements.
I hope you find this information useful and interesting! Good luck!
actually none of them since 212 is the biggest number and should be at the end but none of the answers say so