I'm new to this concept of a flat earth so I'm sorry if I get something wrong about the FE viewpoint. From my understanding, there is a dome above the earth and the moon and sun both revolve inside this dome according to FE. Does this mean in the FE concept there is no ozone? What protects us from the suns rays? If there was no ozone the radiation from the sun would cause massive amounts of radiation to everybody on earth. In addition to this, the lack of ozone would cause a very bad chain of events according to this article I found...
https://science.howstuffworks.com/science-vs-myth/what-if/what-if-ozone-layer-disappeared.htm