Please answer this: -  You breathe in - Air goes through all the little branches in your lungs to fill up the air sacs, or alveoli - Oxygen goes through the walls of the alveoli and into the capillaries - The oxygen goes into the bloodstream - Oxygen is left and carbon dioxide is picked up  What might be the last step of the process?
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Answer: You breathe it out through your lungs


Please answer this: -  Coal is put in a coal-fired steam station - Water is put in pipes in the coal-fired steam station - The coal is crushed - The coal is moved into a boiler along with hot air - The water is moving through pipes in the boiler - The steam from the water is blown against a turning mechanism - The force of the steam makes the mechanism turn  What might be the last step of the process?
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Answer: The mechanism generates electricity.


Please answer this: -  Magma comes up to the surface of the earth - The magma cools - Particles inside the magma move closer together - Crystals are formed  What might be the last step of the process?
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Answer: