According to paragraph 3, what is the connection between underground faults and naturally occurring steam? A. Underground faults enable the heat from molten-rock material to escape upward to regions where it can heat surface water enough to produce steam. B. Underground faults are created by steam that is produced in geothermal reservoirs deep inside Earth. C. Underground faults create spaces in which natural steam is sometimes trapped. D. Underground faults allow surface water to reach deep rocks that are hot enough to turn it into steam.