what resource can help you learn about the terrain
The correct answer for this would be a travel guide or a road map. The resource that can best help you learn about the terrain in a particular area before you arrive is a travel guide or a road map. This would give you the necessary information about the whole place. Hope this answers your question.
Geographic Learning. Geography is the science of place and space. Geographers ask where things are located on the surface of the earth, why they are located where they are, how places differ from one another, and how people interact with the environment. As the study of the earth’s landscapes, peoples, places and environments.