Which of the following is true about the inner core?

Who was the first person to tell about the Core?

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

The depth at which the Mohorovicic discontinuity occurs is ________

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

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 ____

What is the thickness of the inner core?