Unique, smart, hardworking
Important and insignificant are opposite. Insignificant means not important, so the correct answer would be B, peaceful.
Important is to insignificant as restless is to peaceful.
Seclude means to keep a somebody away from other human beings.
While, segregate means to separate. For example, in US History, African Americans were segregated from white Americans.
So seclude is used for one person, while segregate is used for groups of people or things.
Answer: A. We took a kayak to a beach where sea turtles hatch.
Explanation: It is the only sentence that doesn’t include commas.
"We had passed through long walls of piled skeletons, with casks and puncheons intermingling, into the inmost recesses of the catacombs."
"We are below the river's bed. The drops of moisture trickle among the bones."
These are some sentences that give us the creepy setting that makes for an eerie mood.