Common things we use every day, like roads, sidewalks, schools, hospitals and homes ─ to name just a few ─ are made up of rocks and minerals. As a resource, they are called mineral reserves and include materials like sand, gravel, limestone, granite, and other aggregate and construction materials.
To learn more about geologic maps, see:
People depend on their energy resources, so they need to know how to use them wisely. How do you think people can use the energy they rely on to heat their homes more efficiently?