Answer: It is written by a biographer.
A biographer is a person who writes true stories about other people. The people who write autobiographies are autobiographers, who write their own life stories/story. If these people where biographers, they would have written stories about other people.
Answer:
the first one is right
Explanationyea that is right
A how old is stonehenge and BTW i love that passage my favorite in fact when i was your age
An indefinite pronoun is a pronoun that doesn't refer to a person or thing in particular so i'm going to say C. each