A vast, flat,treeless arctic region of Europe,Asia,&& North America in which the subsoil is permanently frozen.
The physical map shows the landforms and bodies of water in specific areas on Earth's surface, the political map hows features humans have created such as the boundaries between states, provinces, territories, and countries. The topographic map shows land elevations. However all of them represent Earth's surface on different way.
GIS is basically used to study geologic features and etc, it creates 3D displays of geographic features
<u>Answer:</u>
Delta.
<u>Explanation:</u>
At the river mouth, a river loses energy and starts to deposit its sediments.
Hope this helps you :)
