1. Review Questions for Class 1

2. As the price of oil rises, renewable energy may become _______ in the future.
Most ______ agree that the economic crises is not as bad as we had thought.
I am studying _____ at university.
Copper extraction is in the ____ sector.
Marketing is in the ______ sector.
The _____begins with raw materials and through many steps adds value until we get a finished product ready for sale at the end.

3. Answer Key
As the price of oil rises, renewable energy may become more _economic___ in the future.
Most _economists___ agree that the economic crises is not as bad as we had thought.
I am studying _economics__ at university.
Copper extraction is in the __primary__ sector.
Marketing is in the ___tertiary___ sector.
The __value chain___begins with raw materials and through many steps adds value until we get a finished product ready for sale at the end.