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 - The water is able to be drank at this point.  Perturbation hypothesis: suppose Long term smoking shrinks the blood vessels happens, how will it affect the salt does not separate.  Does the supposed perturbation have an effect (direct or indirect) on the process?
Answer:
no