Help me with these last questions please!

Plz some scientists gaze into outer space to look for answers. some scientists seek answers in the depths of the sea. when georg steinhauser wanted answers, he looked within himself. well, he looked within his bellybutton to be exact. the austrian chemist spent three years researching the contents of his navel and the navels of others. he has solved one of life's greatest mysteries. we now know exactly what bellybutton lint contains! steinhauser presented his findings in the online version of the journal medical hypotheses. the vienna university scientist analyzed over 500 samples to determine the exact makeup of the lint. as suspected, most of the lint was made up of cotton from clothing. the fabric pieces are not alone, though. steinhauser found that the average bellybutton also contained pieces of dead skin, sweat, dust, and fat. steinhauser's notes also explained how lint accumulates. stomach hairs tend to grow in a circular pattern around the bellybutton. the hairs act like small hooks, capturing and holding contents within. shaving stomach hair can lead to a lint-free bellybutton, but don't act too hastily. although the contents of your navel may be a nuisance, research suggests that lint has a purpose. it is nature's way of protecting your bellybutton from germs and unwanted objects.

According to the elements of style, which sentence is written in active voice?

It was said that my new york license plates would arouse interest and perhaps questions, since they were the only outward identifying marks i had. and so they did – perhaps twenty or thirty times in the whole trip. but such contacts followed an invariable pattern, somewhat as follows: local man: “new york, huh? ” me: "yep." local man: “i was there in nineteen thirty-eight – or was it thirty-nine? alice, was it thirty-eight or thirty-nine we went to new york? " alice: "it was thirty-six. i remember because it was the year alfred died.” local man: "anyway, i hated it. wouldn't live there if you paid me.” what is the purpose of this conversation in travels with charley? to show that most people in the united states hate new york to show that most people in the united states visit new york to show that most people do not treat the author differently because he is from new york to show that being from new york disrupts the author’s relationships with the people he meets