Question: What is the missing first step of the following process: - The can is taken to a recycling center - Melted down along with other cans - The melted metal is turned into bars - Becomes material for other products.
Answer: A can is thrown away into a recycling bin

[Q]: What is the missing first step of the following process: - Carbon dioxide from the burning fossil fuels enter the atmosphere - The make-up of the atmosphere changes - Some energy from the sun cannot escape back through the changed atmosphere - The earth begins to heat because of the extra trapped energy - Human beings cut down trees - Human beings do not re-plant the trees - Trees cannot help take the extra carbon dioxide from the atmosphere - The extra trapped energy starts to change the earth's short term weather - Eventually the long-term climate patterns start to change -
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[A]: Human beings burn fossil fuels (oil, gas, etc.)

input: Please answer the following: What is the missing first step of the following process: - The oxygen travels into the lungs - The oxygen binds to hemoglobin proteins within erythrocytes (red blood cells) - The erythrocytes are pumped through the body by the heart - All cells receive the oxygen.
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output: Oxygen enters the body through the mouth or nose

Please answer this: What is the missing first step of the following process: - The coal is transported either by train or truck to power station - The coal is burned in a furnace - Water is turned into steam in the boiler - The steam is cooled in cooling towers - The steam turns the turbines - The generator makes electricity - The electricity is sent through transformers.
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Answer: Coal is harvested from a coal mine

Problem: What is the missing first step of the following process: - Steam is produced under pressure - Flows into a turbine - The turbine spins - Creates electricity.

A: Coal is burned in a boiler

input: Please answer the following: What is the missing first step of the following process: - That bacteria begins to grow and reproduce inside the cells - The dividing bacteria begin to make toxins - Those toxins damage your cells - Disease symptoms may begin.
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output:
Someone is infected with bacteria