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.
The SpongeBob SquarePants: Season 5, Volume 1 and 2 DVDs were released in Region 1 on September 4, 2007 and November 18, 2008, respectively, while the complete season set was released in Region 2 on November 3, 2008 and Region 4 on November 7, 2008.