[Q]: - The consumer throws aluminum cans and foil into a recycle bin - 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 What might be the last step of the process?
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[A]: The rolled out product is made into new aluminum products.

[Q]: - Coal is heated in the boiler - The water tank over the boiler is heated - Creates steam - The steam is funneled to the piston - Piston uses the steam as energy What might be the last step of the process?
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[A]: The piston causes the crankshaft to move.

[Q]: - A man and woman mate - Embryo is C - Embryo grows and develops into a fetus inside the woman's womb - The fetus is born - Begins to grow and develop through infancy and childhood - In the teenage years the human experiences puberty - Reaches sexual maturity - At 18 the human becomes an adult What might be the last step of the process?
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[A]: Adult may procreate continuing the cycle.

[Q]: - Carbon dioxide enters the leaves through the stomates by diffusion - Water is transported to the leaves in the xylem - Energy harvested through light reaction is stored by forming ATP - Carbon dioxide and energy from ATP are used to create sugar - Oxygen exits the leaves through the stomata by diffusion What might be the last step of the process?
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[A]:
The plant reuses the water or the water exits through the stomata as water vapor.