How can the inner core be solid if it is hotter than the surface of the sun

An energy distribution cycle keeps the core solid despite it being hotter than the surface of the Sun Scientists have discovered why the crystallised iron core of the Earth remains solid, despite being hotter than the surface of the Sun.

Explanation:

33: i think it’s b

dopamine..

"it was found that some people who were taking the drug l-dopa to raise their levels of dopamine were developing schizophrenic-like symptoms supporting research a strength of the dopamine hypothesis is that there are many studies which have shown support for the neurochemical explanation."