Question

As the Earth cooled down, where did the heavier substances go?

• A. They vanished.
• B. Floated on the surface.
• C. Interior of the Earth.
• D. They got burnt.

Answer 1

The correct option is C Interior of the Earth.

As the Earth cooled down, the heavier substances of the Earth sank towards the interior core, while the lighter substances rose up to the surface.The Earth began to cool and the surface became a rocky crust.