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Their unique physiological adaptations let the crab harvest large clusters of bacteria that grow on the surfaces of hydrothermal vent chimneys. They spend most of their lives in the water heated by the vents, and the crabs are unable to move between vents due to the stark difference in water temperature.
Answer:
The correct option is C) It would remove the foreboding tone that suggests their possible deaths.
Explanation:
Although synonyms are words which have the same meaning but sometimes using a synonym can change the entire meaning of a sentence or context. Like in the above passage, the word everlasting, is of importance as it shows that these are the final vows being made by the conspirators. Using a synonym instead of this word will lose the forever bonding value of the passage.