C the size of glaciers in alaska
<span>Characteristics of "place" include things like economic activity, architecture, and culture, all of which are human elements that alter or can be influenced by the environment.
</span>
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 space time continuum meaning that time travel would be very much possible if humans could break the barrier of the 4th dimension
The ice caps are melting due to global warming which is being affected by the polluted air
