What coordinating conjunction is used to combine sentences that express a cause and effect?

What does the word precocious mean in this sentence

Match the types of supporting evidence to the examples. fact anecdote expert opinion emotional appeal sarah's outcome illustrates what can happen when children are left alone too long. arrowright dr. malfoy says physical therapy is for a sprain. arrowright austin has a 21.9-minute average commute time. arrowright we pledge to never stop striving to pluck these vulnerable animals from the jaws of danger. arrowright

He now spent his days in his house, from room to room.which verb best completes the sentence?