A logical fallacy is an error in reasoning that renders an argument invalid. Also called a fallacy, an informal logical fallacy, and an informal fallacy. In a broad sense, all logical fallacies are nonsequiturs—arguments in which in which a conclusion doesn't follow logically from what preceded it.
Answer:
The choice should be B as it tells both about how life colonized the island as well as the other point.
Hello,
The complete adverb clause in this sentence is "When you're through with that compass"
Hope this helps :)