Cell division is the process by which a parent cell divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle.
Neptune's atmosphere, like Jupiter's and Saturn's, is composed primarily of hydrogen and helium, along with traces of hydrocarbons and possibly nitrogen; it contains a higher proportion of ices such as water, ammonia, and methane.
The atmosphere of Neptune is 74 percent hydrogen, 25 percent helium and one percent methane. Its atmosphere is full of fearsome storms. Other than the Great Dark Spot, Neptune has other named areas of storms like the Scooter and the Small Dark Spot.