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.
Below is a list of characters from the television show SpongeBob SquarePants. SpongeBob SquarePants (born July 14, 1986) is a yellow sea sponge and the main character of the show. His best friend is Patrick. He works as a fry cook at the Krusty Krab. His house is a pineapple.