Detailed Instructions: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
Problem:The point at which different radiometric isotopes begin diffusing into and out of the crystal lattice is called what no sorry I meant the point at which they stop diffusing into and out of crystal lattice?
Solution:
The point at which different radiometric isotopes stop diffusing into and out of the crystal lattice is called what?