1. Based on the diagram below, rank the three objects from least dense to most dense. A. Object X, object Z, object Y.
B. Object Z, object Y, object X
C. Object X, object Y, object Z.
D. Object Y, object Z, object X

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:

force tends to be low and long diustance masses are high

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.