1
The …………………………………………. is composed of liquid metal.
2
The ………………………………………….. is composed of solid metal.
3
The ………………………… is more solid near the crust and more solid near the core.
4
The mantle is composed of ………………………… rock.
5
The crust is composed of solid, cool ………………………… .
6
There are two types of ..…….……………: continental and oceanic.
