Which is correct?
two popular songs during the gold rush were the gold digger’s waltz and oh, susannah.
two popular songs during the gold rush were “the gold digger’s waltz” and “oh, susannah”.
two popular songs during the gold rush were the gold digger’s waltz and oh, susannah.
two popular songs during the gold rush were “the gold digger’s waltz” and “oh, susannah.”

Which sentence from this passage explains what the main characters do in rosencrantz and guildenstern are dead? "tom stoppard's play, rosencrantz and guildenstern are dead, draws on two previous theatrical works: shakespeare's hamlet and samuel beckett's waiting for godot." "as in beckett's play, rosencrantz and guildenstern pass the time by impersonating other characters, engaging in word play, and remaining silent for long periods of time." "these same two characters were also featured in a parody of hamlet, the short comic play by w. s. gilbert entitled rosencrantz and guildenstern." "gilbert's play makes rosencrantz and guildenstern into central characters and alters the storyline of hamlet."

Which would be the most credible source for researching the effects of smoking? letter from your grandfather web page about someone’s lung cancer report prepared by a tobacco company research article in a scientific journal

How does the author view the idea that you have to be perfect in order to get into college