input: Please answer the following: What is the missing first step of the following process: - Aluminum flows into streams and lakes - Acid rain dissolves minerals and nutrients in soil - Washes them away so plants can't benefit from them - PH in soil and water gets affected which can kill plants and animals - Acid rain in fog at higher elevations can strip foliage off trees.
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output: Acid rain leaches aluminum from clay particles in soil

Please answer this: What is the missing first step of the following process: - The dishwasher is closed - The dishwasher heats water to a hotter temperature - The dishwasher directs water toward the dishes through jets - The dishwasher adds detergent - The dirty water drains out - The dishwasher sprays more water to rinse the dishes off - The water drains out again - The dishwasher directs warm air toward the dishes to dry them - The dishes can be removed.
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Answer: Dirty dishes are placed in the dishwasher

Problem: What is the missing first step of the following process: - Oxygen moves from the lungs into the bloodstream - Air is pushed through the vocal chords - A person talks - Other air is pushed out of the lungs into the environment.

A: Air is pulled into the lungs

Problem: Given the question: What is the missing first step of the following process: - The gases come to a head and push molten magma to the surface - The magma cools - With enough time the pressure builds up greatly - The resulting volcano may explode.
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The answer is:
Gases cause pressure beneath the earth

input question: What is the missing first step of the following process: - The sediment rolls down hill towards a river - The heavy items sink to the bottom - The lighter items float on the top and in convection cycles - As the river flows the sediment is moved - The sediment gets dumped through tributaries into lakes and the ocean - The sediment keeps moving around the world in convection currents.???
output answer: Sediment becomes loose from the rest of the soil

input question: What is the missing first step of the following process: - Coal is pulverized into fine powder - The coal is mixed with hot air - The coal and hot air are blown into a boiler - The coal and hot air burn over a fire - Highly purified water is pumped through pipes in the boiler - The water turns into steam - The steam presses against turbines - The turbines spin - Electricity is produced.???
output answer:
Coal is mined out of the ground