Question

Which part of earth is solid and extremely hot

Answer 1

The core i believe is the hottest but it is solid because of all the pressure

Answer 2

earth’s core is the very hot center of our planet
inside the core, the metals are constantly moving. The core of the Earth rotates regularly. Some scientists say the inner core actually rotates faster than the rest of the planet! As the liquid outer core moves, it can change the location of the magnetic North and South Poles.