Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach. A low pH (1.5 to 2) activates pepsin. Acetylcholine, gastrin, and histamine stimulate the proton pump in parietal cells to release hydrogen ions and decrease pH.
It’s caused by the different density’s in the water
Answer:
Death.
Explanation:
The final stage of a red supergiant is the fusion of silicon into iron.
Hope my answer is helpful.
