Snell's law is defined as the ratio of the sine of angle of incidence to the sine of the angle of refraction which is constant for a given pair of media and it is also known also as refractive index of the medium.
Answer:
Since Mrs Garrett had died suffering from lung cancer as a result of having been smoking cigarettes for 20 years, suing ABC Tobacco Company I'd have argued that it was these cigarettes from the aforementioned company that resulted in her developing a cancer of the lungs and subsequently dying from it. As evidence, I would present her medical reports that state clearly and without a shadow of doubt that the cause of death in her case was indeed lung cancer.
Hope that answers the question, have a great day!
