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.
There are not two economies important in most of Australia, as Australia is a vast country with different resources. Agriculture is important through much of Australia, but of course, not the urbanised areas.Three of the most important economies in Australia are:MiningAgricultureTourism
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.
The 3 natural resources in US r water, air, and soil i think.
The most important is sodium chloride.
Oil.