input question: What is the final step of the following process: -  Food is put into mouth - Food is chewed and mixed with saliva (spit) - Food travels down the esophagus (throat) - Food travels into the stomach - Acid in the stomach breaks the food down further - Food travels into the small intestine - Nutrients from food are absorbed into the blood stream - Food travels into the large intestine - Most of the remaining material is now waste???
output answer: The waste is eventually removed from the body.

input question: What is the final step of the following process: -  You breathe oxygen into your body through the nose or mouth - The oxygen travels to the lungs through the windpipe - The air sacs in the lungs send the oxygen into the blood stream - The carbon dioxide in the blood stream is transferred to the air sacs???
output answer: The lungs expel through the nose or mouth back into the environment.

input question: What is the final step of the following process: -  Gases cause pressure beneath the earth - The gases come to a head and push molten magma to the surface - The magma cools - With enough time the pressure builds up greatly???
output answer: The resulting volcano may explode.

input question: What is the final step of the following process: -  Your thermostat senses that the room temperature has fallen below your thermostat setting - Your thermostat sends a signal to your heating system to provide heat for your home - When your oil burner is engaged, heating oil travels from the tank to the burner by way of a pump - Here the oil becomes a fine mist mixed with air - The fuel/air mixture is then injected into the burner where it is ignited in the combustion chamber???
output answer:
The warm air is disbursed through vents, hot water through baseboards, or by steam radiators