Problem: Given the question: What is the missing first step of the following process:  -  Water enter the body - Bloodstream - Food and water enter the pancreas - The pancreas breaks down carbs - Helps digest other foods and liquids.
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The answer is:
Food


Problem: Given the question: What is the missing first step of the following process:  -  The egg hatches - A larva emerges - The larva eats and grows - The larva sheds its skin - The larva enters a chrysalis - The pupa grows inside the chrysalis - The adult butterfly exits the chrysalis - The adult butterfly is now fully grown - The adult butterfly lays more eggs.
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The answer is:
A butterfly starts as an egg


Problem: Given the question: 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.
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The answer is:

Fault lines appear underground