Question

What forces the inner core of Earth to remain solid?

Lack of water
Low temperature
Low density
High pressure

Answer 1

High pressure

Step-by-step explanation:

The inner core is hotter than the outer core and both are made up of nickle and iron. With the right temperature and pressure conditions a matter can exist in a solid, liquid of gas state. So the answer is high pressure.

Answer 2

high preasure

Step-by-step explanation:

because there is very high pressure inside the earth