1 Calcium chloride is a compound made of calcium and chloride, and is one of the types of salt used to control ice on sidewalks and roadways. 2  The compound is often produced from limestone. 3  Potassium nitrate-This electrolyte, commonly known by the formula KNO3, is used in a wide variety of substances.
A. work hard like a mule in a field B. stubborn like a mule C. not as smart as a mule D. policy choices stunk like a mule. A: The original meaning of the Democratic donkey symbol was: stubborn like a mule.
Cartoon depicting the Democratic Donkey, Thomas Nast, 1870. In 1874 Nast published a cartoon that was meant to dispel concerns that Republican President Ulysses S. Grant, who was then in his second term, might run for a third and become a dictator. The Democratic Party press had been playing on votersâ fears.