How is the possessive formed if the noun is plural and ends in -s

Plz i need someone to write me a narrative from scratch

Some bias is inevitable. why? because it's impossible to cover everything in a completely balanced way! because networks only run stories that will attract viewers and listeners because only certain types of stories will make money because there are no consequences for presenting a blased story

Part a: what tone does dr. king use in his argument? question 3 options: assertive passive adoring angry