input: Please answer the following: 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
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output: Carbon dioxide, water vapor and methane are greenhouse gases

Please answer this: What is the final step of the following process: - Wind passes the turbines and moves the blades - The shaft of the turbine spins - Shaft is connected to a generator - The generator uses the spins of the shaft to rotate a rotor - The rotor spins inside the core, which has magnets inside surrounded by wire loops inside
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Answer: The spinning of the rotor in the core generates electricity

Problem: What is the final step of the following process: - A stream or river must occur - Through erosion, the stream cuts into the soil and bedrock - Through continuous erosion, a deep gash is cut through - After many years the river may dry up

A: A dry ravine is left

Problem: Given the question: What is the final step of the following process: - Air enters the lungs through bronchial tubes - Air enters bronchioles - Bronchioles have tiny air sacs called alveoli - Alveoli surrounded by small blood vessels - Oxygen absorbed by small blood vessels - Vessels deliver oxygen to every cell in the body - Blood brings carbon dioxide back to lungs
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The answer is:
Carbon dioxide released when you exhale.

input 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???
output answer: Sand and rocks go to other land or the bottom of the ocean.

input question: What is the final step of the following process: - Water from the surface seeps below the soil - The water comes into contact with the rock below - The rock over the years carves through the rock - The space in the rock becomes larger and forms into a cave???
output answer:
As more rather rushes through the cave becomes a cavern.