In spite of the very high temperature at the Earth's centre, the inner core is not in a molten state because the

Core has a very high melting point

Great pressure at the centre raises the melting point of the rocks

In spite of the very high temperature at the Earth's centre, the inner

1.	In spite of the very high temperature at the Earth's centre, the inner core is not in a molten state because the
A.	Core has a very high melting point
B.	Core is full of gases
C.	Great pressure at the centre raises the melting point of the rocks
D.	Core is impervious to heat
Answer» D. Core is impervious to heat