[Q]: What is the missing first step of the following process:  -  Steam is produced under pressure - Flows into a turbine - The turbine spins - Creates electricity.
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[A]: Coal is burned in a boiler


[Q]: What is the missing first step of the following process:  -  Attach a rocket - Add rocket fuel - Launch rocket - Satellite goes into orbit.
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[A]: Build a satellite


[Q]: What is the missing first step of the following process:  -  The wind or water deposits tiny rocks - The rocks become known as sediment - The layers of sediment are pressed together by other layers of sediment on top - Minerals from the rocks in the sediment dissolve - Minerals glue the sediment together into a single rock.
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[A]: Wind or water breaks small pieces off of a rock


[Q]: What is the missing first step of the following process:  -  Is trapped - Plant also takes in water and carbon dioxide from the environment - The plant forms glucose - The plant releases oxygen into the atmosphere.
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[A]: