Question: What is the missing first step of the following process: - Nephrons in the kidney filter the blood - The waste that is filtered out mixes with water - Become urine - Ureters carry urine out of the kidneys.
Answer: Blood carried into kidney by the renal artery

[Q]: What is the missing first step of the following process: - The water tank over the boiler is heated - Creates steam - The steam is funneled to the piston - Piston uses the steam as energy - The piston causes the crankshaft to move.
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[A]: Coal is heated in the boiler

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: - Waste enters the kidneys - A processing moment in the kidneys let waste and fluid pass - Prevents larger molecules to pass - Fluid goes back to the bloodstream - Bad waste is removed - The final product is turned into urine.
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Answer: Fluid

Problem: What is the missing first step of the following process: - Bees gather nectar from flowers - The bees evaporate the nectar by passing it back and forth to each other - The evaporation turns the nectar into sugary honey - The bees chew the honey until it turns into moldable wax - The bees mold the wax into hexagonal (six sided) cylinders - Thousands of these hexagonal cylinders put together form the hive -

A: Bees find a place for the hive, such as a rock crevice or tree branch

input: Please answer the following: What is the missing first step of the following process: - Bread absorbs water from the air - Bread absorbs warmth from the air - Dust particles with mold spores fall on bread - Mold spores start to consume the bread for energy - Mold colonies grow until they are visible.
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output:
Bread is exposed to the elements