which aspect of a map indicates a particular type of feature or activity which is usually explained in the legend

In the 1400s, portugal’s economy was based on a. industry b. exports c. finance d. trade

What statement about charlemagne is not true? a. charlemagne's empire collapsed during his rule b. charlemagne sent missionaries throughout europe c. charlemagne encouraged the arts and education d. charlemagne ruled much of western europe a. charlemagne's empire collapsed during his rule

Why slip off slopes are found on the inside of meanders? why river cliffs are found on the outside of meanders?