After 3.8 billion years, when the surface cooled, due to the atmosphere being covered with sulfur, which was enough to become solid, earlier life appeared only a few million years later, however, the atmosphere was still nothing more than a noxious mixture of poisonous gases, that environment was harmful to any life on that planet.
Like methane and ammonia, these periods were lethal to human life, with the passage of time, when that planet began to be colonized again, when oxygen formed in the oceans as a by-product of cyanobacteria during the process of photosynthesis.
It seemed that the world was dominated by Chinese and Russians who sold products from the atmosphere that did not exist on other planets.
Due to bottling products that only existed and were produced on the planet.