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.
I am 14 years old, and have been watching Spongebob since it came out in 1999. I have seen every episode, but have stopped watching recently. The show is changing, and not for the good. His voice is higher pitched -obnoxiously so- and the animation/art is different.