Answer:
A It is an obligation of noncitizens and citizens alike.
Explanation:
<span>an anthropologist.
Anthropologist:
</span>Anthropology<span> is the study of humans, past and present. To understand the full sweep and complexity of cultures across all of human history, </span>anthropology<span> draws and builds upon knowledge from the social and biological sciences as well as the humanities and physical sciences.</span>
The answer to your question is,
A prime meridian is a meridian in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian and its antimeridian form a great circle. This great circle divides the sphere, e.g., Earth, into two hemispheres.
-Mabel <3