Salary. The Bureau of Labor Statistics reports that marketing managers in the United States earned an average annual wage of $126,190 as of May 2011. The median wage, or midway point between the lowest and highest salary, was $116,010 per year.
What is TDS. TDS is the total of all dissolved solid matter such as minerals, metals, salts and. contaminants in the water. B. How TDS is Determined. TDS is most often determined in pool and spa water by using a conductivity meter. These. electronic meters measure the waters' ability to conduct an electric current.
When you mix sugar with water, the sugar dissolves to make a transparent solution. Salt dissolves in water too. Heat can help some substances dissolve faster in water. Salt, for example, will dissolve quicker in hot water than in cold water. Substances that dissolve in water are called soluble substances.Substances that do not dissolve in water are called insoluble substances. When you mix sand or flour with water, they do not dissolve.1  Page: 2  1. 3  2. 4  3. 5  4.6  5.ubstances that dissolve in water are called soluble substances. Substances that do not dissolve in water are called insoluble substances. When you mix sand or flour with water, they do not dissolve. 1  Page: 2  1. 3  2. 4  3. 5  4. 6  5.