The density of the oceanic layer in the crust is said to be ________

The layer which is believed to be the source of volcanic activity is ____

There is a hypothesis that the inner core is made up chiefly of iron and nickel.

The layer under the continental crust with the density of 2.4 to 2.6 g/cc is?

The density of the Earth at its centre is said to be ____

The area not considered under the crust is ________

The least dense layer among the layers under the continental crust is ________

The depth up to which the mantle is said to exist is ____