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Which of the following may be inferred about nucleation?
Only saturated solutions in which extra undissolved solute is present can produce stable nuclei, i.e., support the phenomenon of nucleation.
Although the passage tells us how stable nuclei may be obtained, we do not know whether this is a simple process.
The passage provides no information about the number of crystals that are able to reach critical size.
Although the passage gives us information about what happens after nuclei reach critical size, we do not know how many of them reach critical size and grow into crystals and how many cannot become stable.
Although it may be true that scientists cannot predict the number of stable nuclei in a solution, there is no information in the passage to suggest it.