1. Moist air
2. The less dense air, the less oxygen (at least that's what my teacher says)
The abrupt breaking of rocks or explosions, fro example an earthquake or Nuclear bomb.
With a prior history of gunshot wounds in the abdomen S/P multiple abdominal surgeries; the most common complication from this is the formation of adhesions. The formation of adhesions precipitate obstruction of the bowel from partial gut obstruction to complete gut obstruction. The high-pithed, rushing sounds upon auscultation are called borborygmi and this is a hallmark of gut obstruction. This is the sound as the bowels become hyperactive to relieve the obstruction. Eventually, the bowels will become hypoactive.
I believe the answer is ATP