input: Please answer the following: What is the missing first step of the following process: - Makes water acidic - Kills fish - Kills the soils in trees - Leaves are also harmed.
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output: Acid rain enters the atmosphere and lands

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

input: Please answer the following: What is the missing first step of the following process: - The pressure causes plates to move - Magma explodes to the surface - The lava from the eruption cools to form new crust - After several eruptions, the rock builds up and a volcano forms -
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output: Magma rises through cracks in the Earth's crust

input: Please answer the following: What is the missing first step of the following process: - The roots absorb water and minerals from the soil - This combination of water and minerals flows from the stem into the leaf - Carbon dioxide enters the leaf - Light, water and minerals, and the carbon dioxide all mix together - This mixture forms sugar (glucose) which is what the plant eats - Oxygen goes out of the leaf through the stomata -
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output:
Chloroplasts in the leaf of the plant traps light from the sun