Answer:
Copper,natural gas, petroleum
Step-by-step explanation:
Copper and petroleum are found in South America. Most of the mines in the world are found in South America and they generates income to the Aldeans countries.
Also, petroleum reserves are found South America and they are very important, but not as as much as mineral reserves. Venezuela is the country that has the largest oil reserves, other countries like Peru or Ecuador have important reserves. natural gas is very common and present in the region, and it is also an important resource.