1. Canada exports oil, natural gas, timber, minerals, wheat, automobiles, aircraft and seafood
2. The five most common primary industries are: agriculture, fishery, forestry, mining, and energy
3. The advantages are that it can bring about job opportunities, funds and new technologies. The drawback is that profits may return to foreign countries, and local enterprises may find it more difficult to develop
4. Retail stores, restaurants, teachers, doctors, banks, tourism
5. Absolute advantage refers to the fact that a country can produce more products with the same resources. Comparative advantage refers to the fact that a country has a lower opportunity cost when producing a certain product.
6. Because another country may have a comparative advantage in apples, trade can benefit both sides.