Earth has an average density of 5500 kg/m³, although the density of rock on its surface is about 3000 kg/m³. What conclusion can be reached about Earth's core from this observation?

Question

Quizplus · Accepted Answer

The average density of Earth being significantly higher than the surface rock density suggests that materials with much higher density must exist beneath the surface, particularly in the core, to account for the overall higher average density.

Earth Has an Average Density of 5500 Kg/m3, Although the Density

Earth Has an Average Density of 5500 Kg/m³, Although the Density