_________ layers is less dense.

Right at the centre of the Earth is the ______________.

The landmasses, which provide a home for humans, animals and plants represent the solid realm of the Earth is called ___________.

The ____________ is thicker under the continents than under the ocean floor.

The point vertically above the focus on the surface of the earth is known as?

____________ are usually mixture of two or more minerals.

The most common mineral in the ______ is olivine.

__________ is made up of many kinds of rocks.

____________ includes all types of landmasses found on the surface of the Earth.

The ________ includes the ocean beds as well and it is thinnest beneath the oceans, sometimes even less than 8 km.