Hot and dry in some places, but in other places it was full of life and water.
The answer is the second one because mercury doesn't have an atmosphere
A planet in motion remains in a stable orbit around the sun mainly because of two things: the nature of the gravitational force and because virtually no other forces act on the planet. The momentum of a planet changes during its orbit but not, in general, its inertia -- which relates solely to its mass.
Granted special tax breaks
