IUPAC Green Book[3] in that, in terms of its definition [4], pH = âlg a. H. it involves a single ion quantity, the activity of the hydrogen ion, which is immeasurable by any ther-. modynamically valid method and requires a convention for its evaluation.
He began developing SpongeBob SquarePants into a television series in 1996 upon the cancellation of Rocko's Modern Life, and turned to Tom Kenny, who had worked with him on that series, to voice the title character.
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.