0
For the same reason that it happens in other fluids. The hot air (in this case) has a tendency to rise, and colder air, to sink, due to differences in density.
What else can I help you with?
What would happen if the sun was touching the moons atmosphere?
Our moon has no atmosphere to touch.
Does weather happen throughout the atmosphere?
Yes
What happen when extra carbon dioxide builds up in the atmosphere?
nothing will happen at all
What happen to the length of the day on the earth If there is no atmosphere?
With no atmosphere, there would be no "twilight". Twilight is caused by the scattering of sunlight in the atmosphere. With no atmosphere, you'd go from "day" to "night" with nothing in between.
What happen to the water on Mars?
It froze because of the lack of atmosphere
How do you clean the atmosphere?
The atmosphere will gradually clean itself quite naturally. To allow this to happen one needs to stop polluting it.
What would happen if the moon didnt have an atmosphere?
You can answer that question for yourself, quite easily, by simpleobservation, because the moon doesn't have an atmosphere.
What happen when a asteroid when they enter the earths atmosphere?
Usually they will burn up due to the friction they encounter when they enter the atmosphere, or they will bounce off the atmosphere and be deflected into deep space.
What would happen to Earth if you destroy your atmosphere?
everyone would die
What will happen if you fully burn out the atmosphere?
Every living thing will die.
What will happen if people send up a battery into the outer atmosphere?
it will be discharge.
What would happen if 1 percent to condense steam in the atmosphere?
nothing
