Two spherical rain drops of equal size are falling through air at a velocity of 8ms-1. If the drops join together forming a large spherical drop, what will be the new terminal velocity​

u=13

v=30

s/t=u+1\2at

=13+431/2

=13+265.5

=278.5

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:

positive reinforcement? ?