Answer:
Option (A)
Explanation:
A map legend is an important element, provided in a map, which is shown as a rectangular box. This box is comprised of various symbols, shapes, and colors. Each of these signifies a particular object or a distinct location. These pieces of information that are provided in a map legend makes a reader convenient to read the map and thereby helps in the proper identification of a place. This map legend includes the symbols for roadways, railways, schools, hospitals, airports, and police stations and the colors are often used in small boxes to depict the different rock layers, different parts of continents, and biomes.
Thus, the correct answer is option (A).
