Uranus and Jupiter both have rings, both have moons, but they are mostly gas planets, and both have some methane. I think id.k if that helped
B) Oxygen may not have been able to accumulate in the atmosphere
The respiratory system depends on the nervous system for signals to a - coordinate the muscles that control breathing. Indeed, our nervous system plays a vital role when it comes to many bodily aspects where we don't even appreciate them on a daily basis. They are, however, extremely important.