One inch on a map being equal to one mile in real life (or on the surface of the earth) is an example of what you might find on a map's
a. key
b. compass rose
c. scale
d. legend

C, scale or the ratio on the distance on the map to distance on the literal space

Bis the answer i believe

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!