Which of the following human-made feature is not found on a topographic map?
a. cities
c. roads
b. sidewalks
d. bridges

Sidewalk

Sidewalks are not found on the topographic maps.

The detailed accurate graphic representations of features that are present on the Earth's surface is known as the topographic map. Roads, buildings, urban development, railways, airports, names of places and geographic features, administrative boundaries, state and international borders, reserves all these can be represented in a topographic map. Sidewalks however don't feature in these maps.

the awnser is a

it is not b or c