Jones and Cassidy went on to play mother and son on The Partridge Family, which debuted in the fall of 1970. Danny Bonaduce and Susan Dey were also key members of the cast.
Sour crude oil. Sour crude oil is crude oil containing a high amount of the impurity sulfur. It is common to find crude oil containing some impurities. When the total sulfur level in the oil is more than 0.5% the oil is called sour.
Crude oil is called sweet when it contains only a small amount of sulfur and. sour if it contains a lot of sulfur. Crude oil is also classiï¬ed by the weight of its. molecules. Light crude oil ï¬ows freely like water, while heavy crude oil is thick. like tar.