[Q]: What is the missing first step of the following process: - The magma starts to cool - The cooling causes atoms in the magma to condense - The condensed magma solidifies - The solidified magma forms minerals.
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[A]: Magma moves closer to the Earth's crust

input: Please answer the following: What is the missing first step of the following process: - A large amount of rain occurs - The water builds up behind the dam - The dam opens its floodgates when it starts to get full - The water flows into a river below the dam - The dam closes its gates - The dam will occasionally open its gates again to gradually release more water - Eventually all of the floodwater will be slowly released into the river without causing any flood damage.
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output: A dam is built in an area prone to flooding

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: - As the saltwater is heated the water becomes a gas - The salt particles sink to the bottom of the container - Gaseous water is piped into another container - Allowed to cool - The salt particles are left behind in the first container - The second container contains fresh water.

A: The salt water is heated

Problem: Given the question: What is the missing first step of the following process: - The blood travels into the neophrons - Waste is expelled via the neophrons - The waste goes to the bladder in the form of urine - The clean blood exits the kidneys.
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The answer is:
Blood enters the kidney

Problem: What is the missing first step of the following process: - Some is reflected back into space - The rest of the energy is absorbed by land and oceans, heating the Earth - Heat radiates from Earth to space - Some of this heat is trapped by greenhouse gases in the atmosphere - Human activities such as burning fuel are increasing the amount of greenhouses gases - This causes more heat radiation to stay trapped in our atmosphere - The Earth's temperature rises -

A:
Solar radiation reaches Earth's atmosphere