input question: What is the final step of the following process: -  Water seeps into rocks - The water freezes and thaws - Cracks form in the rocks - Cracks also form when rocks heat up???
output answer: The rocks slowly break down.

input question: What is the final step of the following process: -  Magma rises from deep in the earth - The magma goes into volcanos - The volcanos pressure the magma upwards - The pressure causes the magma to push through the surface of the volcano - The lava cools - The lava forms new rock - New magma is pressured to the surface of the volcano???
output answer: The volcano bursts through the rock the formed after the last eruption.

input question: What is the final step of the following process: -  He air we breathe contains oxygen and other gases - Once in the lungs, oxygen is moved into the bloodstream and carried through your body - At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide - Your bloodstream then carries this waste gas back to the lungs where it is removed from the blood stream and then exhaled???
output answer: Your lungs and respiratory system automatically perform this vital process, called gas exchange

input question: What is the final step of the following process: -  Salt water is contained in a factory or plant - The water is boiled to a very high tempature - The salt becomes seperated from the water - The salt is removed???
output answer:
The water is able to be drank at this point.