A water tank can hold 1 m^3 of water. When its empty, how much liters is needed to refill it?

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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.

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy