What is the missing first step of the following process: - Remove any ice cubes currently in the tray - Fill the tray with cold water - Ensure the tray is evenly filled to an appropriate level - Open the freezer - Place the tray in the freezer - Close the freezer door - Wait.
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Answer: Get the ice tray

Q: What is the missing first step of the following process: - The hypothalamus in the brain sends a message to the body - Sweat glands in the skin receive the message - The sweat glands start combining water and chemicals to make sweat - The sweat leaves the skin through pores.
A: The body's temperature increases over 98.6 degrees F

Question: What is the missing first step of the following process: - Falls onto the ground - The acid rain starts scouring rocks - Destroys vegetation - The lack of vegetation alters the surrounding environment.
Answer: Acid rain is produced by chemicals that reach into the atmosphere

[Q]: What is the missing first step of the following process: - The bat makes sounds with their mouth or nose - The sound waves travel away from the bat - The sound waves hit objects - The sound waves bounce off the objects back towards the bat - The bat hears the sound waves echoing off the objects - The bat knows where the objects are because of where the sound echoed from - The bat doesn't hurt itself by hitting the objects.
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[A]: Bats fly through an area

input: Please answer the following: What is the missing first step of the following process: - Add water into the tray - You insert the tray into a freezer - The water molecules begin to slow down - The water becomes ice - The ice cubes are ready.
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output: You take a tray

What is the missing first step of the following process: - Passes through the lungs - And into the bronchial tissue - The carbon dioxide is removed - The lungs bring the oxygen to the rest of the body.
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Answer:
Air is brought in through the mouth