Answer:
Option (4)
Step-by-step explanation:
Maps are usually defined as the two-dimensional representation of the earth. These are constructed on a piece of paper or chart. They are very commonly used by geographers and geologists.
A map is comprised of legends (keys) as well as a compass rose.
The legends refer to the box that is provided in a map and is comprised of various symbols and where each symbol represents a specific location or object. It helps in understanding the various location and the topography of the area.
The compass rose is also used in most of the time, which provides the north direction. It helps in understanding the direction.
Thus, both legends and compass rose are used in maps.
Hence, option (4) is the correct answer, i.e. D.