Society has changed its view of smoking since 1960 because:

OA. scientists found that smoking reduces stress.
OB. tobacco farmers wanted people to smoke less.
OC. tobacco farmers wanted to grow other crops.
OD. scientists found that smoking causes cancer.

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Name the part of the the brain labeled "e".

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.