Mantle convection is an important method of heat transport within the Earth. Mantle convection is the driving mechanism for plate tectonics, which is the process ultimately responsible for producing earthquakes, mountain ranges, and volcanos on Earth.
The answer to you’re question is C. Humid subtropical and humid continental.
It would take 12 years to move 1 ft (12 in = 1 ft) and <span>63,360 years for a mile. </span>
After its main sequence a medium sized star like our sun becomes a red giant, it grows a lot bigger that it's regular size that it will burn earth into ciders, after that it will eject its own nebula and fade away as a dwarf star.