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.
In 1870, Thomas Nast, the best-known political cartoonist of his time, drew a donkey to represent the Democratic Party in an illustration for the publication Harper's Weekly. Nast continued to use the donkey in other political cartoons. By 1880, it had become the unofficial mascot of the Democratic Party.