Answer:
According to Mary Shelley's 1831 introduction, where did she get her inspiration for Frankenstein? Mary Shelley was only 18 when she began writing Frankenstein. Her parents were both well-known writers. ... The idea both frightened her and inspired her ghost story, which later became Frankenstein.
Important milestone do Atari and Chris hit via text
C) to entertain readers by expressing how embarrassed she felt
The error in the possessive construction is that, instead of passenger's, it should be "passengers'". The apostrophe should be after the letter "s" because the noun is in the plural form. The correct sentence would be "Passengers' concerns about cell phone use on planes are justified."