Review the map below. Which of the following resources is found in Canada and the United States but not Mexico?

The image shows various natural resources across North America. In Mexico, the map indicates copper, silver, and iron are found. Across the United States, iron, oil, coal, copper, and silver are found. In Canada, lead and zinc, coal, copper, oil, iron, gold, silver, and uranium are found. In Alaska, coal, gold, and oil are found.
© 2011 FLVS

Copper
Oil
Silver
Iron

Question

Review the map below. Which of the following resources is found in Canada and the United States but not Mexico?

The image shows various natural resources across North America. In Mexico, the map indicates copper, silver, and iron are found. Across the United States, iron, oil, coal, copper, and silver are found. In Canada, lead and zinc, coal, copper, oil, iron, gold, silver, and uranium are found. In Alaska, coal, gold, and oil are found.
© 2011 FLVS

Copper
 Oil
 Silver
 Iron

Tranquility · Answer

You just have to see what's in common between Canada and the United States, and then find which one Mexico doesn't have.