Which of the following is the best explanation why is the Earth's inner core solid? Question 2 options:

The particles are no longer moving as fast because it has cooled to a solid.

Because the inner core is the same temperature as the sun.

Because it's made of a mixture of iron and nickel which are only found in a solid state.

The pressure from the other layers of the Earth cause the inner core to be solid.

The pressure of all the other layers makes it solid

Explanation:

The weight is so great, it is solid

answer; hypnagogic sensations)

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: