[Q]: What is the missing first step of the following process: - The oxygen travels into the body - Breaks down into glucose - Carbon dioxide is produced by the glucose breakdown - The carbon dioxide is exhaled out of the body through the nose or mouth.
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[A]: A person takes in oxygen through their nose or mouth

input: Please answer the following: What is the missing first step of the following process: - The flashlight is turned on - Two contact strips touch one another - A circuit is completed between the batteries and the lamp - The lamp in the flashlight begins to glow - The reflector in the flashlight directs the lamp's beam - A straight beam of light is generated - The flashlight is turned off - The circuit is broken - The beam is no longer visible.
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output: Batteries are put in a flashlight

Please answer this: What is the missing first step of the following process: - A group of people work to design a satellite capable of accomplishing the need - A team designs the physical structure of the satellite - A crew builds the physical satellite - The satellite is packed into a capsule - The satellite capsule is loaded onto a rocket - The rocket is launched into space.
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Answer: A satellite's need is determined

Problem: What is the missing first step of the following process: - The passenger arrives early at the airport - The luggage is checked - The passenger waits in line - The passenger shows their identification and gets a boarding pass - The passenger goes to their gate - The passenger gets in line when it's time to board - The person boards the plane - The plane arrives at the destination - The passenger gets off the plane at their destination.

A: An airline reservation is made

Problem: Given the question: What is the missing first step of the following process: - The heated water evaporates - The salt is left behind - The evaporated water condenses on a cold surface - The evaporated water is collected - The process is repeated - More salt is removed from the water.
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The answer is:
Water is heated

Problem: What is the missing first step of the following process: - Above the oven is a tank of water that is sealed - The tank of water begins to boil above the oven - A the water boils steam is created - The steam is denser than air so it needs a place to go - The steam is forced out of the tank and into a piston - The piston moves up - The valve of the piston closes - The valve on the next piston opens - The steam fills the next piston, driving it up, and the other one down -

A:
A fuel is heated in an oven