inputs: hypothesis: The ozone layer is in the earth's atmosphere. premise: A Chilean expert points out that the 1987 Montreal Protocol has not been effective in arresting the destruction of the ozone layer in the earth's atmosphere, resulting in the unprecedented size of the ozone hole this year, and causing 120,000 people in Chile to be on yellow alert for ultraviolet radiation (meaning a fair-skinned person would get burnt within 10 minutes of being exposed to the sun).