What does the author say is better than wanting to do great things? (THE TEXT IS CALLED Teens And Technology Share A Future)

Which one of these lines use him to permitte which one of these lines uses iambic pentameter?

Based on his npr interview,"astrophysicist chroniclesbattle over pluto," why does dr. tyson believe that pluto is america's favorite planet?

Which should be added after the sentence 6 to most effectively move a the plot forward