particles in a liquid flows past each other & feels in a steam are open to each other ->  particles in a liquid are close and can flow past each other  habitat in a steam are open and can ebb surprise each other & the particles in the substance are close and able to flow past each other -> the substance could be in liquid phase the substance could be in liquid phase  the substance has a variable shape & energy in the steam compact has constant size -> the substance could be in liquid phase or gas phase the substance could be in liquid phase or gas phase  the oxidation could be in steam faces & the substance could be in liquid phase or gas phase -> the substance can only be in liquid phase