Mark is doing a research project on the Rocky Mountains. Which type of map would he use to identify where the mountains.
can be found in the USA?

A topographic map.

Explanation:

A topographic map is a map that aims to describe a part of the Earth's surface as faithfully and completely as possible by showing, among other things, natural features, relief, infrastructure, buildings, natural limits, boundaries. administrative and toponyms used. The color of a surface can also be considered as a symbol, as it provides information about the terrain.

Thus, topographic maps serve to establish on a map the different geographical features that cover a certain terrain, such as mountains, plateaus, plains, lakes, rivers, etc.

answer; the period of time known as the middle ages;

because its important to learn about other countries and how high tech they are compared to us. also its good to learn about other cultures and how ours differs and in common also we need to learn about companies that we still buy since they ship it here.