input question: What is the final step of the following process: - Air is brought in through the mouth - Passes through the lungs - And into the bronchial tissue - The carbon dioxide is removed???
output answer: The lungs bring the oxygen to the rest of the body.

What is the final step of the following process: - Get the ice tray - 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
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Answer: Wait.

Q: What is the final step of the following process: - Mix flour, baking powder, sugar, and salt into a bowl - Mix in milk, eggs, and melted butter - Mix until smooth - Heat a griddle or frying pan to medium high
A: Pour batter onto the griddle

Question: What is the final step of the following process: - Plates on the Earth's crust move slowly past each other - As the plates move, they exert a great force - When the force is large enough, the crust breaks - The stress is released as energy - The energy moves through the Earth in the form of waves
Answer: We feel the earthquake

[Q]: What is the final step of the following process: - Waste products are deposited in the blood - Blood is carried to the kidneys through the renal arteries - The kidneys contain filters inside - The filters capture the waste products - The waste is combined with water to make urine - The urine leaves the kidney and is collected in the bladder
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[A]: The cleaned blood is returned to the body.

Problem: Given the question: What is the final step of the following process: - The bat sends out sound waves from their mouth or nose - The sound waves hit an object - Echoes are produced - The echo returns to the bat's ears - The bat hears the echo
++++++++++++++++++++++++++++++++
The answer is:
The bat can figure out where the object is located.