Sometimes models are not draw to scale (the exact right size). In the image po above all eras are the same size... but should they be? Which of the
following eras lasted approximately 290 million years
Paleozoic
Mesozoic
Cenozoia
Cambrian

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.