What is the final step of the following process: -  Coal is heated in the boiler - The water tank over the boiler is heated - Creates steam - The steam is funneled to the piston - Piston uses the steam as energy
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Answer: The piston causes the crankshaft to move.


What is the final step of the following process: -  Living organisms in the sea die - The matter forms on the sea floor - Layers of sediment form above the matter compressing it - After many years the matter is compressed and heated
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Answer: The result is that crude oil forms.


What is the final step of the following process: -  Water evaporates from the ground up to the sky - Water droplets are in clouds - The air gets cold - Water droplets turn into ice crystals
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Answer:
Ice crystals in clouds stick together and become snowflakes.