6. Which sector of the economy includes activities related to the extraction and production of raw materials?
a) Primary sector
b) Secondary sector
c) Tertiary sector
d) Quaternary sector
7. Which sector of the economy involves the processing and manufacturing of raw materials into finished goods?
a) Primary sector
b) Secondary sector
c) Tertiary sector
d) Quaternary sector
8. Which sector of the economy includes services such as retail, transportation, and healthcare?
a) Primary sector
b) Secondary sector
c) Tertiary sector
d) Quaternary sector
9. Which sector of the economy involves activities related to information technology, research, and development?
a) Primary sector
b) Secondary sector
c) Tertiary sector
d) Quaternary sector
10. Which branch of economics studies individual households and firms?
a) Microeconomics
b) Macroeconomics
c) International economics
d) Development economics