Rare earths such as Cerium, Samarium or Erbium would qualify as such.
The most important natural resource of Venezuela is oil.
California's main resources include natural gas. Other natural resources in California include but are not limited to water and coal.
Most of the diamond and gold minerals are not the natural resource of the west. Most of these minerals are imported from Africa,
Coal is the natural resource that enables most of China's power plants.
The most valuble resource was FERTILE SOIL.
West Virginia's most significant natural resource is coal.
Timber
Plastic, in most cases, is made from hydrocarbons.Hydrocarbons are a product of natural gas and crude oil.Natural gas and crude oil are limited natural resources (they are running out)Therefore, plastic is not an inexhaustible resource.andPlastic is a manufactured materialResources are recovered directly from the Earth or grownTherefore, plastic is not a resource
Gas is a natural resource of crude oil. It is most necessary at this point to decide a countries economy.
people
gold
Diamond