Which sentence is missing an apostrophe?

What do you think about world hunger? what could we do to make it better or fix it to where people are getting the things they need? what would you do?

Look up the information for as many of these sources aspossible and write the works cited entry for each one. (you may make up dates and editions where necessary for the purposes of this exercise.)1. mark twain’s  the mysterious stranger2. a dictionary entry for the word  castigation  from  merriam-webster  (any edition)3. an article in  cosmopolitan  magazine by jennifer grant called “all you need to know”4. an encyclopedia entry for the name “geraldine ferraro” from  world book encyclopedia5. a website article titled “welcome to oz” with no listed author or publisher and no corporate affiliation

Kyle and his brother have a marble set of the marbles 12 are blue this represent 50 over a hundred of all the marbles what decimal is equivalent to 50 / 100