Three charges are arranged in the following arrangement: 4 =- 42=* - - =0.y=0) =-aya) 4, - 4y = a) *) 115 pts find the electric field at a point x = 4, y = 3a). = = = =í)

it may be wrong but i think its a

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation:

asthenosphere and convection