The answer has to be A., a duck.
The answer is B because the kinetic energy increases so does the number of collisions between particles
You were right, the answer to this is C.
The suture is found between the parietal bones is sagittal. It is identifying with or signifying the suture on top of the skull that keeps running between the parietal bones in a front to back course. I trust the appropriate response will help you.