4.) C
5.) D
6.) A
I'm pretty sure you understand 7 but if not i'm pretty sure it's D
I could and would work hard to improve my situation
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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The catacombs were dark, cold, musty, thick-aired, and full of dead people and bones.