In the following situations, which one does not have kinetic energy?

a.

a baseball in a catcher’s glove

b.
a lady walking slowly across the street

c.
a hockey puck sliding on the ice

d.
a man running around a track

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: