Answer: Map scale can be defined as the relationship that can be drawn in between the length of the map and the length of the ground.
Explanation:
The unit of the length on the map and the corresponding length of the ground is the map scale. The type of map scales:
Large Scale 1:25,000 or more
Medium Scale 1:1,000,000 to 1:25,000
Small Scale 1:1,000,000 or less
Small scale and medium scale can demonstrate large area for example a country or state whereas the large scale can demonstrate a small area like a city or region of city.
I’m pretty sure formal is not
There is really nothing to know. All you have to use is context clues and common sense. We know some synonyms for direct are manage and handle. Indirect means not direct, right? And we can't handle or manage earth's interior (core), right? Therefore, the study of earth's interior is an example of indirect observation because we cannot directly manage it.