Answer:
Adverb clause.
Explanation:
An adverb clause is a clause or group of words that can be used or functioning as an adverb in a given sentence. It modifies the verb or adverb or adjective in the sentence thereby giving extra information about the where, why, how, when, etc of the verb.
As given in the question, the subordinate clause is <em>"while talking"</em>. This subordinate clause needed an independent clause to be able to function as a complete meaningful sentence. This <u>subordinate clause modifies or affects the verb "waved" which makes it an adverb clause</u>.
Thus, the correct answer is the adverb clause.
Its what opens a story and establishes the context which gives the background information.
The Three men's lives were saved as they were held above water by the monster which they discover to be a modern submarine, named the Nautilus, as they climb inside they come upon the submarines captain and his crew, his name is Captain Nemo (as i recall).
Answer:
You should put a comma there.
Explanation:
The comma puts a small pause in the sentence.