input: Please answer the following: - Sulfur in the coal combines with oxygen to form sulfur oxides - The sulfur oxides are released into the atmosphere - The sulfides combine with oxygen in the atmosphere to form sulfur trioxide - The sulfur trioxide reacts with water in the atmosphere to form sulfuric acid, a very strong acid - The sulfuric acid makes the rain acidic - What might be the first step of the process?
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output: Coal is burned

input: Please answer the following: - The lungs remove oxygen from the air - Oxygen diffuses from alveoli in the lungs to the bloodstream - Hemoglobin in red blood cells attaches to the oxygen - Red blood cells carry oxygen all around the body - Oxygen diffuses into cells from capillaries. What might be the first step of the process?
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output: Air goes into the lungs

input: Please answer the following: - Then while gathering of their food, they make wax, which is the building block of their bee hive - Bees make food called honey - They use a sticky, glue-like substance called propolis as a binding to hold their hives together - Bees produce all of the building blocks to build their hive in their own body - What might be the first step of the process?
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output: Bees go out during the day and gather food

input: Please answer the following: - Magma crystalizes - Lava cools on the surface - Lava crystalizes - Minerals dissolved in water crystlize. What might be the first step of the process?
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output:
Magma cools inside the crust