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.
On November 18, 2004, Spike TV (and sister channel VH1) aired a night-long marathon of reruns of the Nickelodeon animated series SpongeBob SquarePants starting at midnight, to promote the following day's release of The SpongeBob SquarePants Movie in theaters.