86. Which branch of economics studies the behavior of the economy as a whole, including topics like GDP, inflation, and unemployment?
a) Microeconomics
b) Macroeconomics
c) Development economics
d) Environmental economics
87. Which branch of economics studies the factors and policies that affect the economic growth and development of countries?
a) Microeconomics
b) Macroeconomics
c) Development economics
d) International economics
88. Which branch of economics studies the economic factors and policies that affect the environment and natural resources?
a) Microeconomics
b) Macroeconomics
c) Development economics
d) Environmental economics
89. 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
90. Which sector of the economy includes activities related to the manufacturing and processing of raw materials?
a) Primary sector
b) Secondary sector
c) Tertiary sector
d) Quaternary sector
