Final answer:
Timber, gas, and minerals are natural resources that have direct economic uses in producing goods and services, with timber used in construction, gas as fuel, and minerals in manufacturing. Oceans and mountains also hold economic values for resources and tourism.
Step-by-step explanation:
The economic uses of natural resources are varied and encompass a wide range of materials that we extract from the Earth. Resources such as timber, gas, and minerals are directly used to produce goods and services. Timber is used for construction and paper products, gas is used as fuel and in the production of chemicals, and minerals are utilized in manufacturing a myriad of products from electronics to jewelry. Even natural features such as oceans and mountains have economic value; oceans provide seafood and are crucial for shipping lanes, while mountains can contain valuable mineral deposits and offer recreation and tourism opportunities.