what does altitude and atmospheric pressure have in common?

Question: what does altitude and atmospheric pressure have in common?
- Keywords:
  altitude,
  atmosphere,
  pressure
Asked by aabb266 to Beatrice, Charles, George, Kamal, Patricia on 17 Jan 2017.
- Kamal Bhattacharya answered on 17 Jan 2017:
  
  Nothing in common, really. The atmospheric pressure decreases with altitude. You can think of atmospheric pressure being higher the more air molecules you have above you. The higher you go the less.