The __________ refers to the reservior of magma located deep inside the volcano.

____________ are sudden,violent shaking of the Earth's surface.

When the molten material is ejected at the earth's surface through a volcano or crack at the surface,it is called ____________.

The tectonic plates are composed of _____________ types of lithosphere.

____________ boundaries are also known as convergent boundaries.

Two plates moving towards each other (both continental crust) is called ___________.

____________ is the one of the most tectonically active countries in the world.

The _________ of the world's volcanoes and earthquakes is very uneven.

Two plates moving along side each other is called ___________.

The core is divided into __________.