Greenville, CA Weather. The average temperature of Greenville is 47.37Â°F, which is much lower than the California average temperature of 61.17Â°F and is much lower than the national average temperature of 54.45Â°F.
(General) 1  An acid solution is one which contains hydrogen ions H+(aq). 2  An alkaline solution is one which contains hydroxide ions OH-(aq). 3  The concentration of ions in pure water is small.  In water and in neutral solutions the concentration of H+(aq) and OH-(aq) is the same.
There are probably others but the big one is definitely amino acids, the building blocks of proteins. I would say sulfur. Let's see, amino acids can contain carbon, hydrogen, nitrogen, oxygen, and sulfur. Must be sulfur, final answer. Sphingomyelins, phosphatidylcholines and phosphatidylethanolamines are lipids which contain nitrogen. I'm sure it must be sulfur.