[Q]: - Coal is pulverized into fine powder - The coal is mixed with hot air - The coal and hot air are blown into a boiler - The coal and hot air burn over a fire - Highly purified water is pumped through pipes in the boiler - The water turns into steam - The steam presses against turbines - The turbines spin - Electricity is produced. What might be the first step of the process?
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[A]: Coal is mined out of the ground

[Q]: - Water is poured into the well of the machine - A filter is placed in the basket - Ground coffee is measured into the filter - Turning on the machine starts the water heating - The hot water rises up - The water drops into the ground coffee - The hot water passes through the grounds - The coffee drips into the pot from the basket. What might be the first step of the process?
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[A]: The coffee pot is filled with water

[Q]: - The air goes down the esophagus - The air moves into the lungs - The carbon dioxide is removed - The remaining oxygen enters the body - The remaining carbon dioxide is expelled through the mouth. What might be the first step of the process?
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[A]: Air is drawn in through the mouth

[Q]: - The water is poured into the machine at the back - Coffee beans are put into a grinder - The grinder is activated - A filter is put into the coffee maker - The ground coffee is put into the filter - Sometimes a bit of salt is added to the grounds to bring out flavor - The top of the machine is closed - The power is turned on - The water passes through the grounds and becomes coffee. What might be the first step of the process?
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[A]:
The carafe is filled with water