Problem: Given the question: 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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The answer is:
Fluid

input question: What is the missing first step of the following process: - The blood is passed through the nephrons in the kidneys - The kidneys filter the waste from the blood - The clean blood is circulated out of the kidneys - Excess water and waste is expelled from the kidneys in the form of urine.???
output answer: The kidneys receive blood through the renal artery

What is the missing first step of the following process: - The egg hatches to form a larva, also called a caterpillar - The carterpillar molts (loses its skin) many times as it grows - The caterpillar then forms itself into a pupa, or chrysalis - The caterpillar in the chrysalis begins change, a process called mmetaphorphosis - The caterpillar completes its metamorphosis and has turned into a butterfly - The adult butterfly emerges out of the chrysalis and flys away! -
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Answer: The butterfly starts as an egg

Q: What is the missing first step of the following process: - The fault lines grow over time - The rocks on each side of the fault lines rub against the rocks on the other side of the fault line - The rocks put pressure on each other - The rocks break from the pressure - The breaking of the rocks releases a lot of energy - The energy causes seismic waves - The seismic waves make the earth shake.
A: Fault lines appear underground

Question: What is the missing first step of the following process: - The star burns until it runs out of fuel - The star can no longer support its weight - The layers of hydrogen press down on the core - The core gets smaller and smaller under the pressure - The pressure causes gravity to get stronger - The gravity becomes so powerful that nothing can escape it - Anything that gets close to it, is drawn into it by its gravity - Light is drawn into it - Light can not escape -
Answer: Stars burn mass

Please answer this: What is the missing first step of the following process: - A larvae matures inside of the egg - The caterpillar hatches from the egg - The caterpillar eats and grows - The caterpillar spins a coccoon around itself and forms into a pupa - The butterfly forms inside of the coccoon - The mature butterfly emerges from the coccoon - The butterfly mates - The female butterfly lays eggs.
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Answer:
A butterfly lays an egg