Various hormones have various functions. which hormone are you interested in?
I think the answer is Time
Pure water has a pH level of 7, which means it is neutral on the pH scale. If you want to increase the pH of water, you must add an alkaline substance to it. The pH scale ranges from 0 to 14, with anything above 7 being alkaline, and anything below 7 being acidic.
The ice stays on top because it is sold which means it is less dense than liquid (water)
