Because of uncertainty about the physical significance of the hydrogen ion concentration, the definition of the pH is an operational oneâi.e., it is based on a method of measurement.
Topics: Entertainment âº Television âº Nickelodeon. Spongebob Squarepants first aired in the US on July 17, 1999. It aired in the UK on January 4, 2000 and in Japan on July 19, 2002. Login or Sign Up to answer this question.
SpongeBob's 10th anniversary and Future (2009-present) A primetime SpongeBob SquarePants 10th Anniversary documentary special has been announced for summer 2009, discussing the history of the cartoon, and its impact on popular culture. Also, a beta version of a new SpongeBob website debuted 9 January 2009.