Question ID:PT89 S2 Q6 Passage:Saturn‚ s moon Enceladus has a rocky core and an icy surface. Between these two layers, there must be a lake of liquid water. The Cassini space probe was used to measure the density of matter composing Enceladus. These measurements revealed something denser than ice between the core and surface of Enceladus, and that could only be liquid water. Stem:Which one of the following most accurately expresses the overall conclusion drawn in the argument? Correct Answer Choice:BChoice A:Saturn‚ s moon Enceladus has a rocky core and an icy surface. Choice B:There must be a lake of liquid water between the rocky core and the icy surface of Enceladus. Choice C:The Cassini space probe was used to measure the density of Enceladus. Choice D:Density measurements reveal something denser than ice between the core and surface of Enceladus. Choice E:Anything denser than ice between the core and surface of Enceladus would have to be liquid water.