Does this sentence make sense? correct any punctuation, word choice, vocab etc

so, the answer to my question, what liquid are fruit flies most attracted to, is none of the liquids i tested with.

Me further explain how does social media influence teenagers behavior? in a couple of

Read the excerpt from the dark game: true spy stories from invisible ink to cia moles. yet, by the time robert e. lee surrendered to ulysses grant at appomattox, virginia, some four years later, about 620,000 soldiers had died on the battlefields, more than american battle deaths in all other wars from the revolution through the vietnam war. what is the author’s primary purpose for including this detail? to inform readers about the differences between three military conflicts to persuade readers of the seriousness of the american civil war to entertain readers with tales from behind the lines of battle to encourage readers to visit battlegrounds in appomattox, virginia

Which pair of words has similar denotation but different connotations?