Look at the underlined phrases on pages 1 and 2. Select ONE phrase on these pages that supports the idea that Niccolo and Maffeo Polo were experienced travelers.

a is correct

hope this let me know if it is right

b. germany and italy

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.