user: What is the missing first step of the following process:  -  The boiler produces steam under high pressure - The steam generated in the boiler flows down into a cylinder - Just ahead of the wheels, pushing a tight-fitting plunger, the piston - The piston is connected to one or more of the locomotive&#x27;s wheels through a kind of arm-elbow-shoulder joint called a crank and connecting rod - As the piston pushes, the crank and connecting rod turn the locomotive&#x27;s wheels and power the train along - An outlet valve opens and the piston pushes the steam back through the cylinder and out up the locomotive&#x27;s chimney -
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Answer: Coal is loaded into the firebox


Q: What is the missing first step of the following process:  -  The shaft of the turbine spins - Shaft is connected to a generator - The generator uses the spins of the shaft to rotate a rotor - The rotor spins inside the core, which has magnets inside surrounded by wire loops inside - The spinning of the rotor in the core generates electricity -
A: Wind passes the turbines and moves the blades


Question: What is the missing first step of the following process:  -  The rain seeps into the wood surface - It permeates the wood - When rain evaporates it leaves the wood - It takes the finish of the wood with it - The wood begins to lose it's luster - It begins to look bad - It has pieces of paint missing from the rain - It gets worse when it rains - It eventually will have no paint left.
Answer: Rain falls on wood


[Q]: What is the missing first step of the following process:  -  The aluminum is collected - Taken to a treatment plant - The aluminum is sorted and cleaned ready for reprocessing - The aluminum is re-melted - Turned into molten aluminum - The aluminum is made into large blocks called ingots - The ingots are sent to mills to be rolled out - The rolled out product is made into new aluminum products.
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[A]: The consumer throws aluminum cans and foil into a recycle bin


input: Please answer the following: What is the missing first step of the following process:  -  Some scientists believe that releasing too much carbon dioxide into the atmosphere is one of the causes of global warming - This upsets the balance of the carbon cycle - The ozone layer helps protect us from harmful rays from the sun - It is getting damaged from air pollution such as methane gas from livestock and CFCs from spray cans - Acid rain is created when gasses such as sulfur dioxide get high into the atmosphere - The wind can blow these gasses for miles and then they get washed out of the air when it rains - This rain is called acid rain and can damage forests and kill fish.
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output: One type of air pollution is the addition of carbon dioxide gas into the air


What is the missing first step of the following process:  -  The fertilized egg, now a zygote, travels to the uterus - The zygote implants in the uterus - The zygote becomes an embryo - The embryo becomes a fetus - The fetus grows for approximately 9 months - The woman gives birth to a baby - The baby grows into a child - The child becomes an adult - The adult mates with another adult -
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Answer:

assistant: A sperm and egg meet inside a woman&#x27;s fallopian tube