Read the sentence. Finn left his snorkeling equipment at home; otherwise, he would have spent the afternoon swimming in the ocea
n. What is the purpose of the conjunctive adverb "otherwise"? It introduces the reason that Finn forgot to bring his equipment to the ocean. It explains what occurs as a result of Finn not going swimming in the ocean. It introduces what Finn would have done had he not forgotten his equipment. It explains why Finn did not want to swim in the ocean without his equipment.
The answer to your question would be that the purpose of the conjunctive adverb "otherwise" is to introduce what Finn would have done had he not forgotten his equipment.
Explanation:
"Otherwise" is a conjunctive adverb that means "in circumstances different from those present or considered; or else". In this case, it states that Finn would have spent his afternoon swimming in the ocean if he had not forgotten his snorkeling equipment at home.
