If the distance between two places on a map is 2cm, while the distance on land is 4km, the scale of the map is
-
A.
1:100,000 -
B.
1:200,000 -
C.
1:50,000 -
D.
1:150,000
If the distance between two places on a map is 2cm, while the distance on land is 4km, the scale of the map is