Answer:
Science textbooks: Used to help inform reader on scientific discoveries, theories, etc.
Biographies: Used to help inform reader on the certain individual in which the biography was written for. Usually the biography is on someone famous from history.
Newspaper articles: Newspaper articles generally inform readers of events happening. However you must not most of it is subjective.
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Answer:
d. all three
Explanation:
coming from an older sibling, you definitely need all three of those to beg your parents for anything lol
that's tuff because ether answer won't make sense