input question: What is the final step of the following process: - You eat food - Your stomach digests the food - Sugars from food enter your bloodstream - Insulin helps turn sugars into energy???
output answer: Insulin helps your body store the energy in fat, muscle and liver cells

What is the final step of the following process: - A plant dies - The remains of the plant are buried very fast in sediment - The soft parts of the plant decay - The hard parts of the plant are replaced with minerals - The sediment turns into rock - The rock erodes
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Answer: The fossil appears on the surface of the ground.

Q: What is the final step of the following process: - A man and woman mate - Embryo is C - Embryo grows and develops into a fetus inside the woman's womb - The fetus is born - Begins to grow and develop through infancy and childhood - In the teenage years the human experiences puberty - Reaches sexual maturity - At 18 the human becomes an adult
A: Adult may procreate continuing the cycle.

Question: What is the final step of the following process: - Some of the rock in the ground is made of limestone - Over long periods of time rain can hit the limestone - And cause a acidic reaction - The limestone will slowly disintegrate - A large gap with be where the limestone was
Answer: Result in the cave.

[Q]: What is the final step of the following process: - A type of coal must be chosen before the heating can start - The coal is broken down to a smaller material - The coal particles mix with hot air and move in to a boiler - Water in the boiler is pumped and produces steam with the coal - Steam powers turbine blades, which magnetically charge wire coals
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[A]: The water returns back in to its chamber and the process is repeated

Problem: Given the question: What is the final step of the following process: - Fuel mixes with air - Mix gets inducted into cylinder - Piston compresses the mix - Spark plug emits a spark that ignites it causing combustion - Combustion gases expand - Pushes piston during power stroke
++++++++++++++++++++++++++++++++
The answer is:
Exhaust valve opens to vent exhaust out tail pipe.