To modify a plural noun that ends in 's' to show possession you should add an apostrophe (') after
the s.
Example: The Johnsons' house is beautiful.
Hope this helps! If you need anymore help or further explanation just let me know!! :)
Benjamin Franklin Was a scientist so was Mark Miller < Not the famous one Ben invented the light bulb but he did not do it on his first try as the rumors have said is had in fact took him over 1 year to complete his project. Mark miller was a hypothesize who made many inferences that made much seance.<span />