[OSS.05]A student designed this model to show two positions of Earth with respect to the sun.
Sun
2010 FLVS
Based on the diagram, which of these conclusions is correct about the seasons at Location A and Location B?
It is fall in Location A and summer in Location B.
It is summer in Location A and fall in Location B.
It is winter in Location A and spring in Location B.
It is spring in Location A and winter in Location B.

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.