Which one of the following is a direct source of information about the interior of the earth?

 The gravitational force is ---------------- near the poles and ------------- at the equator.

 When magma cools in the deeper depth of the crust and assumes the dome shaped which covers a wide area is known as ----------.

 The point at which an earthquake occurs is known as the ---------------.

 Name the most explosive volcanoes?

 Which one of the following describes the lithosphere

 Name the inner most layer of the earth?

 Name the largest volcano which are not steep and are made up of basalt.

 ------------ is the molten rock material found in the upper mantle.

 Name the scale used for measuring the magnitude of earthquake?