Question

In the Earth’s layers, why is the outer core in the state of a liquid and the inner core in the state of a solid?

A. The temperature of the core will not allow either part to be solid.


B. The outer core is hotter that an inner core which makes the material liquid.


C. The composition of the outer layer is made up of material that has a lower melting point


D. The pressure applied to the inner core causes it to be solid even though it is hotter than the outer core.

(( this is science))

Answer 1

The outer core of the Earth is in a liquid state, while the inner core is solid due to temperature differences. The radioactivity of primordial elements helps maintain the higher temperature of the outer core.

Step-by-step explanation:

The outer core of the Earth is in a liquid state, while the inner core is solid. The reason for this is primarily due to temperature differences. The outer core is hotter than the inner core, which causes the material to be in a liquid state. The higher temperature in the outer core is maintained by the radioactive decay of primordial elements that were part of the material that formed the Earth.