Which of the following elements is capable of storing and delivering a great deal of energy produced using ocean energy technologies? sodium

fluorine

hydrogen

carbon

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.

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?

These are the components of the reservoirs of carbon that are exchanged in our environment.