Read this excerpt from Exploring the Titanic.Suddenly, out of the gloom the Boat Deck of the ship came into view. "Keep your eyes peeled for funnels."But there were only gaping holes where funnels had once stood.Based on the clues in the excerpt, what are funnels?

The clues say there were gaping holes where the funnels had once stood, suggesting they were large structures attached to the ship. Funnels on a ship carry smoke and exhaust upward, so they are smokestacks. Anchors, lifeboats, and treasures do not fit that description.

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