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!
Answer:
Greater or equal to 20 >/_
Step-by-step explanation:
idk what kind of math problem but, if its just simple id us PEMDAS