Sagot :
The structure of the Earth is compund by 4 layers:
1.the core of the Earth which is a) intern
b) extern
2.the mantle which can be a) intern
b) extern
3.the crust
4.the atmosphere
The 3rd layer of the Earth is the crust.
1.the core of the Earth which is a) intern
b) extern
2.the mantle which can be a) intern
b) extern
3.the crust
4.the atmosphere
The 3rd layer of the Earth is the crust.