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 not a homogenous commodity. There. are various types of internationally traded crude oil. with different qualities and characteristics. The. light/sweet crude grades usually trade at a premium. over the heavy/sour crude grades.