Which is an example of a situation that is equilibrium

How air particles exert a pressure on the inside of the balloon

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

How is the shape of the poem “peer” connected to its meaning?