The Seven Roles of the President Name: ______________________________________________ SKILL: CIvICSThe job of the U.S. President is really seven jobs in one. What are those responsibilities? Read about them below. Then answer the following questions. A. Chief of the Executive Branch The President oversees federal (national) agencies, appointing their directors and creating policies to determine their goals during his term.
What does the term Parts Per Million (PPM) mean? Total dissolved solids (TDS) is typically expressed in parts per million (ppm). PPM is a common unit for measuring the concentration of elements in the nutrient solution. One ppm is one part by weight of the mineral in one million parts of solution.
1 milligram/liter [mg/L] = 1.000000002 part/million [ppm]. A milligram per liter (g/L) is a unit of measurement of mass concentration that shows how many milligrams of a certain substance are present in one litre of a liquid or gaseous mixture.