input: Please answer the following: What is the missing first step of the following process: - The remains of the plant are buried very fast in sediment - The soft parts of the plant decay - The hard parts of the plant are replaced with minerals - The sediment turns into rock - The rock erodes - The fossil appears on the surface of the ground.
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output: A plant dies

input: Please answer the following: What is the missing first step of the following process: - The blood is passed through the nephrons in the kidneys - The kidneys filter the waste from the blood - The clean blood is circulated out of the kidneys - Excess water and waste is expelled from the kidneys in the form of urine.
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output: The kidneys receive blood through the renal artery

input: Please answer the following: What is the missing first step of the following process: - The stomach churns the food - With the aid of stomach acids - The food becomes a thick liquid - Is then passed to the small intestine.
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output: Food leaves the esophagus and enters the stomach

input: Please answer the following: What is the missing first step of the following process: - Aluminium cans are then collected and taken to a treatment plant - At the treatment plant the aluminium is sorted and cleaned - Readied for reprocessing - The aluminum cans go through a re-melt process - Turned into molten aluminium - The molten aluminum is made into large blocks called ingots - The ingots are sent to mills and are rolled out into thin sheets - The rolls are ready to be made into new aluminum products.
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output:
Aluminium cans are put into a recycling bin