D. No birth control is 100% effective.
Answer:
The correct answer is B terpentation
Explanation:
Trepanation consisted on drilling a hole on a person's skull to relieve the pressure of blood after an injury and treat intercranial diseases. It is presumed this surgery exists from the Neolithic Age and has been done first by Egyptians, Greeks, Romans and Indians.
It depends how hard you are shaking your head but if you do it hard enough you can get a concussion which is when your brain hits the inside of your skull