[Q]: - Nephrons in the kidney filter the blood - The waste that is filtered out mixes with water - Become urine - Ureters carry urine out of the kidneys. What might be the first step of the process?
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[A]: Blood carried into kidney by the renal artery

input: Please answer the following: - 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. What might be the first step of the process?
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output: Aluminium cans are put into a recycling bin

Please answer this: - Falls onto the ground - The acid rain starts scouring rocks - Destroys vegetation - The lack of vegetation alters the surrounding environment. What might be the first step of the process?
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Answer: Acid rain is produced by chemicals that reach into the atmosphere

Problem: - Babies become infants - Infants become children - Children learn skills - Children become teenagers - Teenagers undergo puberty - Teenagers become adults - Adults have children - Adults become elderly - Elderly humans die. What might be the first step of the process?

A: Humans are born as babies

Problem: Given the question: - The small intestine produces hormones - The hormones cause the pancreas to produce enzymes for digestion - The enzymes travel from the pancreas to the small intestine through tubes - The enzymes help the intestines digest the food - The pancreas produces the hormones insuline and glucagon - The hormones control the amount of sugar in the blood. What might be the first step of the process?
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The answer is:
Food enters the small intestine

Problem: - Miners enter the mine - Miners remove the coal from the mine - The coal is placed into carts or on a conveyor belt - The coal is moved up to the surface - The coal is loaded onto a truck - The truck takes the coal to a power station. What might be the first step of the process?

A:
A mine is excavated in the side of a mountain