Please answer this: What is the final step of the following process: - A fuel is heated in an oven - Above the oven is a tank of water that is sealed - The tank of water begins to boil above the oven - A the water boils steam is created - The steam is denser than air so it needs a place to go - The steam is forced out of the tank and into a piston - The piston moves up - The valve of the piston closes - The valve on the next piston opens
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Answer: The steam fills the next piston, driving it up, and the other one down

Problem: What is the final step of the following process: - A large rocky area is formed - The rocky area has a higher elevation than the surrounding areas - Water from precipitation falls in the area - The water forms a stream - The stream flows towards lower elevation - The stream becomes a river - The river continues to flow along the same path for a long time - The river erodes the rocky area that it touches

A: The eroded area cuts deeply into the rock.

Problem: Given the question: What is the final step of the following process: - Dead organic material accumulates on the bottom of oceans, riverbeds or swamps, mixing with mud and sand - Over time, more sediment piles on top - The resulting heat and pressure transforms the organic layer into a dark and waxy substance known as kerogen - Left alone, the kerogen molecules eventually crack - The molecules break up into shorter and lighter molecules composed almost solely of carbon and hydrogen atoms
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The answer is:
It will turn into either petroleum or natural gas

input question: What is the final step of the following process: - The liver removes toxins from the blood - Liver also cleans blood that has just been enriched with vitamins and minerals during digestion - Liver processes the good stuff into forms that the rest of the body can use - Waste or stuff your body doesn't need can be carried by bile back into the intestine or into the kidneys - The liver also produces a digestive juice called bile that helps the body absorb fat into the bloodstream???
output answer: The liver also stores extra carbohydrates as glycogen for the body to use as fuel when needed.

What is the final step of the following process: - Gather the ingredients for the cake - Mix the flour, sugar, egg, and water to make batter - Pour the mixture into a cake pan - Place the cake in the oven to cook - Take the cake out when it is cooked through - Let the cake cool
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Answer: Serve the cake

Q: What is the final step of the following process: - There is a fetus in the womb - They are born and are a baby - The baby grows into a child - Puberty turns the child into an adolescent - The adolescent becomes an adult - An adult becomes an elderly person
A:
The elderly person dies.