well i think it well it got to be oil i think
Natural gas
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.
water and oil(:
Oil
oil
the most important natural resource in Puerto Rico is Elkhorn coral
gold
the sun
the buffalo is the most important
Some of West Virginia's most important Natural Resources are coal, oil, and natural gas.
diamonds and gold
The natural resources are geothermal, hydroelectric, solar, and wind power. These are important because they produce efficient energy and most important of all they are renewable.