As of August 2019, over 3.500 square miles of the Amazon rainforest had burned down in massive forest fires causing an increase of carbon dioxide. After all the fires had been extinguished, which of these would be the most likely impact to the Amazon?
The taking in of carbon dioxide by plants would decrease
The taking in of sugars by plants would decrease
Carbon dioxide production by plants would increase
Oxygen production by plants would increase

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.