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

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

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

Which of the following is not true about Asthenosphere?

Which of the following is true about the inner core?

The thickness of the 2 layers of the upper mantle is approximately said to be ____

The discontinuity which marks the lower boundary of the crust is __________

What is the speed attained by the P-waves in the C-layer under the Continental crust?