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

The oceanic layer is the extension of C-layer of the continental crust and A and B-layer are mostly absent.

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

The layer which is said to support the slow moving tectonic plates is ____

Which of the following is true about the inner core?

The granite layer in the crust is also referred to as ________

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

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