Answer:
C. Scary darkness
Explanation:
Gloom brings a sentiment of melancolia and darkness. Combined with frightening, we have a very unique description. We something must be shadowy and frightening to fit. We have darkness which can substitute gloom in one of its definitions, and scary which certainly substitutes frightening quite well.
Answer:
Can improve a person personal life
Answer:
C. They give background information about the topic.
Explanation:
Sentences 2, 3, and 4 gives the reader background knowledge about what they're reading.
i think it might be the fourth one?