Mercury, due to it's low gravity it would not be able to hold a very strong atmosphere.
Thalamus relays information from eyes to the visual cortex. Thalamus organizes inputs from sensory organs and routes them to the appropriate areas of the brain. I hope that this is the answer that you were looking for and it has helped you.
Mantle convection causes tectonic plates to move around the Earth's surface.
The answer is.......4!!
Explanation: All you have to do is 12/3.0 and you will get four!