The core.
The inner portion of the hair is the cortex and the inner-most portion is the medulla.
The inner portion of the hair is the cortex and the inner-most portion is the medulla.
The inner core.
The inner core
Yes, Earth is the most massive of the four inner planets.
The inner core.
the outer portionof most bones is a layer of hard compactbone called the "Cortex".
Mercury is the inner planet with the most mass.
It's called the inner core.
Mantle
The Earth's Crust
The Earth's Crust