The inner layer of a football is made of pig skin
the layer of the earth just below the mantle mode of more soild material
The inner core is made of nickel and iron.
it is made out of iron and other stuff
Thankfully, the solid layer of the Earth's crust is the outer, solid land we live on.
chocolate :):)
It's called the inner core.
The inner core is the innermost layer of the earth.
Inner core....made of iron
the inner core
very dense and hot
Rocks
The solid layer of the Earth that is made mostly of iron and nickel is called the inner core.