The most needed resources are many kinds of metals and metal products, which constitute 8.21% (USD 24.2 billion) of total imports for 2012. These include hot-rolled iron, raw aluminium and flat-rolled steel. The next most needed resource includes several kinds of chemical products, such as industrial fatty acids, oils, alcohols, and cyclic hydrocarbons. These account for 7.7% (USD 22.7 billion) of total imports.
We need coal the most. Then gas, and then nuclear power. Oil is the fourth most needed resource.
In terms of volume and revenue, oil would be the most valuable resource. It is found along the lowlands and shallow waters of the southern Gulf of Mexico.
Oil and natural gas.
Oil qualifies as such, as it is the most important and profitable natural resource among these two countries.
Oil is the most important resource.
Resource links in New Mexico is a good business directory.
Salt is the most valuable resource that was needed by the inhabitants in the savanna lands of West Africa =)
Oil (Ecuador, Colombia, Venezuela, Mexico) and Silver (Mexico)
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Type your answer here... Water
Oil, followed by gas, hydroelectric and geothermal energy.
The most important resource was gold, followed by silver.