Which statement most accurately compares the temperature of the core of the sun to its surface?
a) the core is more than a thousand times hotter than the surface
b) the surface is more than a thousand times hotter than the core
c) the core is more than a million times hotter than the surface
d) the surface is more than a million times hotter than the core

C) the core is more than a million times hotter than the surface

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later