D i am pretty sure that is the best answer plus alaska was into fur
Explanation:
A nomad (Middle French: nomade "people without fixed habitation") is a member of a community without fixed habitation which regularly moves to and from the same areas. Such groups include hunter-gatherers, pastoral nomads (owning livestock), and tinkers or trader nomads.
Hope this helps..
The soil layers are, in order: dirt, humus, rock. So the answer is D.
The water is in gaseous form