If 100. G of water at 55 c is combined with 300. G of water at 15 c, what is the final temperature of the 400. G of water (in celsius)?.

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:

a.) travels faster in solids because the particles are closer together.

air is a gas water is a liquid

compass can be used day and night, cloudy or sunny

d) physical means can be used to separate the components of air.