Perforin is a protein that is released by in order to plasma cells; kill target cells cytotoxic t cells; kill target cells b memory cells; switch from igm to igg b cells; bind to epitopes t- cells; stimulate b cells

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt

explanation:

the universal gravitation equation. since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. if the mass of one of the objects is doubled, then the force of gravity between them is doubled.