(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
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(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