Well there's not one answer, different people do it different ways but I'll tell you all the steps and you choose what comes first:
First I would use -ir chart then for whatever person it is you would replace that with -ir
Answer:
Both countries has different natural resources.
Explanation:
North American is rich in natural resources such as coal, iron ore, bauxite, copper, natural gas, petroleum, mercury, nickel, potash, and silver whereas South American is rich in tin, lead and zinc deposits. Some deposits of oil and natural gas are also present in south American countries. Norte Chico civilization is an ancient civilization that is present in south America with addition to Olmec, Teotihuacan, Maya, Zapotec, Mixtec, Huastec, Purepecha, Toltec, and Mexica/Aztecs civilizations were located in both north and south American regions.
