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 think in 1993 but wwe was started in 1956   the wwf started in the 1950's then it changed to the wwe because the wwf was already trademarked by world wildlife foundation â¦(wwf)..so in 2003 they changed.