Diffusion is the movement of a substance from an area of high concentration to an area of low concentration . Diffusion happens in liquids and gases because their particles move randomly from place to place . Diffusion is an important process for living things ; it is how substances move in and out of cells .
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Particles will have more energy and will vibrate really fast.
(Hope this helps)
Answer: Hydrogen that is not used in balloons because hydrogen burns very easily.
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I think the answer is 101.2 L
Answer:
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Explanation:
That's why rubbing your hands together makes them warmer. ... Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer. Heat from friction can be useful.
