Land. The basis of all that we are. Not only is land the most used natural resource it is the most valuable.
Earths resources are the most important thing in earth besides humans with out the earths resources the human race would slowly die out.
Petroleum is one of Mexico natural resources but not the most important
Buffalo and water were the most important Natural Resources for the Great Plains Indians.
Oil
the most important natural resource in Puerto Rico is Elkhorn coral
the sun
Some of West Virginia's most important Natural Resources are coal, oil, and natural gas.
oil and natural gas
Buffalo and water were the most important natural resources for the Great Plains Indians.
Australia's mineral resources include:coaliron orebauxitecoppernickel
The 3 natural resources in US r water, air, and soil i think.
The most important is sodium chloride.