Why do you think the speed of sound is higher
in solids, than liquids and gases?

Sound travels at a higher speed through water than air, so it travels more quickly through air that contains water vapor than it does through dry air. Sound travels as a longitudinal wave through water and a transverse wave through air. Water is made of more molecules than air is.

Particles in a: gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern.

Explanation:

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:

b.

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