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.
Neptune is a gas giant, which means it is composed almost entirely of gasses. Neptune is composed of a helium, hydrogen and methane atmosphere. It has an exposed core of m â¦ olten rock and molten ammonia.Neptune is also very windy, with storm winds reaching up to around 2,000mph.eptune is a gas giant, which means it is composed almost entirely of gasses. Neptune is composed of a helium, hydrogen and methane atmosphere. It has an exposed core of m â¦ olten rock and molten ammonia.