What has a city without houses, rivers without water, and forests without trees? (also the letters to unscramble it are a m d r o a p

a.

The correct answer is a roadmap.

A roadmap is a type of a map which shows the layout of cities, along with rivers, and forests. However, no actual houses can be found on the map, the rivers don't actually have water in the map, and there are certainly no trees.