What is the volume of a sample of water is the mass is 6.7 g?

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

What is the term for a water wave that is created by an underwater earthquake?

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.