Problem: Given the question: What is the missing first step of the following process: - The liver uses chemicals and proteins to treat the blood - The blood is cleaned - Energy is produced - The blood leaves the liver cleaned.
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The answer is:
Blood is sent to the liver

Problem: Given the question: What is the missing first step of the following process: - There is a lot of pressure on the Sun - The pressure forces atoms of hydrogen to fuse together in nuclear reactions - The energy from the reactions gives off different kinds of light - The light travels to the Earth.
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The answer is:
The gravity of the sun pulls its mass inward

Problem: Given the question: What is the missing first step of the following process: - Mix in milk, eggs, and melted butter - Mix until smooth - Heat a griddle or frying pan to medium high - Pour batter onto the griddle -
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The answer is:
Mix flour, baking powder, sugar, and salt into a bowl