A geographic coordinate system<span> or a GCS uses a three-dimensional spherical surface to define certain locations on earth. Also, a GCS is often mistakenly called a datum, but a datum is just one part of a GCS.
Finally, a GCS includes a prime meridian, </span><span>an angular unit of measure, </span>and a datum :)
The current population of the United States of America is 325,372,521 as of Thursday, January 12, 2017, based on the latest United Nations estimates.
It's about the study of the earth. Like mapping, or just looking at different biomes or landscapes.
well, if your visiting A place it is important to study the geological history to answer your other question you can learn laws religion all important stuff in going to a new place
