Answer:
mantle convection is the very slow creeping motion of earths solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface.
I suppose that you wanted write "uncharged". The particles without electrical charge present in the nucleus are called neutrons.
Peer review is important because it is used by scientists to decided which results should be published in a scientific journal
I would say that insofar as the two stars temperatures are presumably closely related to their luminosity, that the blue star at 156,100 k compared to 3000k for the red star then the blue star has a luminosity of 52 times that of the red star.