Answer:
D. rivers, mountains, lakes, and forests.
Explanation:
A geographic information system (GIS) is a computer system that is used for analyzing various locations on Earth's surface or a geographic areas. It is used as a helping tool in planning and monitoring. Major geographic objects used for GIS are: points, lines, and polygons (areas). GIS software has various applications that are used widely in almost all fields of study.
The disadvantages are those of data transfer, of mis-match between data structures in the GIS and in the model, the difficulties for casual users and the difficulties of modifying the model code or hard-wiredparameters.
Rivers, mountains, lakes, and forests are not a member of elements for GIS analysis.
A region that could be farmed and maintained suitable for human life
The upper class consisted of the royal family, rich landowners, government officials, important priests and army officers, and doctors. The middle class was made up chiefly of merchants, manufacturers, and artisans. The lower class, the largest class by far, consisted of unskilled labourers.
