A is the answe for the final temperatures
I agree with Maria and disagree with Mike.
The earth has gravity and that pulls objects towards the center of the planet
When we shake a mango tree, the mangoes fall down. It is because when we shake the tree, the mango tend to be rest due to inertia where as the branches are in motion. That is why the mangoes tend to be at rest due to inertia where as the branches are in the motion.