The passage provides information for answering which of the following questions? (A) What causes warm-water vents to form? (B) Do vent faunas consume more than do deep-sea faunas of similar size? (C) Do bacteria live in the vent water of smokers? (D) What role does hydrogen sulfide play in chemosynthesis? (E) What accounts for the locations of deep-sea smokers? 17. The information in the passage suggests that the majority