No words, I just need help ‍♀️ ofc

Explain the significance of thesaurus geographicus

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil