Q: What is the final step of the following process: - People breathe and expel carbon dioxide - Engines produce carbon dioxide - Living things produce waste - Waste decomposes - Decomposition produces methane - Water evaporates - Water vapor joins the atmosphere
A: Carbon dioxide, water vapor and methane are greenhouse gases

Question: What is the final step of the following process: - Ocean waves hit land - Ocean water pulls sand off of beaches - Ocean water breaks rocks off of cliffs - Ocean water carries sand and rocks into the ocean
Answer: Sand and rocks go to other land or the bottom of the ocean.

[Q]: What is the final step of the following process: - Food is taken into the mouth - The food is chewed - Saliva mixes with the food and starts breaking it down - The chewed food travels down the esophagus to the stomach - The stomach secretes acid - Grinds and mixes the food - The food moves to the small intestine - The small intestine uses enzymes to further break down the food - The food passes into the colon
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[A]: The food is expelled from the body.

input: Please answer the following: What is the final step of the following process: - Place the water in a pot - Cover the pot with a slightly too large cover - Place a larger pot under the first - Heat water to evaporation - Water vapor will collect on the lid - Drip into the second pot as fresh water
++++++++++
output: Salt is left behind in the original pot.

Please answer this: 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
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Answer: Exhaust valve opens to vent exhaust out tail pipe.

Question: What is the final step of the following process: - A larva is born - The caterpillar eats constantly until it grows bigger - The caterpillar starts to form a cocoon around itself - The caterpillar becomes a pupa - After some time the cocoon hatches
Answer:
And a butterfly is born.