Q46
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
AnswerD.
Core is impervious to heat
Answer: Option C
Solution
Answer: Option C
Solution:
In spite of the very high temperature at the Earth's centre, the inner core is not in a molten state because the Great pressure at the centre raises the melting point of the rocks. Our inner core is a solid matter. And it remains solid because of its called iron-nickel which helps most the inner core become solid and other solid and hard particles of it.