I believe the term you are looking for is called an agora.
The name for such a hole is "caldera" which is a word of Spanish origin meaning "a pot" or a "cooking pot" (thing of cauldron!) - and this word is used because it resembles the shape of this hole.
Often the Calderas are filled with water forming lakes and often there is an island in the middle of the water.
Answer: Small, stable population
Explanation: Superpowers tend to have a larger more bulky population compared to their counter-parts with a small more controllable population, (hence, stable.)
Areas are the geographic object of a geographic information system (gis) that is most likely used to show a particular zip code or a large tourist attraction.
A Geographic information system (GIS) is a laptop device that analyzes and presentations geographically referenced facts. It uses information that is attached to a completely unique location.
A geographic information system is a type of database containing geographic data, blended with software program tools for handling, reading, and visualizing those records.
An example of this kind of information is pc information amassed by satellites that show land use the place of farms, towns, and forests. remote sensing provides every other device that may be incorporated into a GIS. Far-off sensing consists of imagery and different statistics collected from satellites, balloons, and drones.
Learn more about geographic information system here brainly.com/question/19064276
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The Sydney opera house is in Australia (:
