Answer:
The correct answer is letter "E": None of the above.
Explanation:
Microeconomics deals with the economic choices of individuals and small companies. Jointly, these individual decisions influence the demand for and supply of goods and services in the economy. One of the subjects most discussed in microeconomics is the supply, demand and equilibrium model.
A) Global warming research turns out to correctly predict the weather in the future. (No major impact in economy)
B) The dictator of a country builds ten new airports. (Macroeconomic)
C) A child buys a delicious chocolate bar. (No major impact in economy)
D) The country of Montenegro adopts the Euro. (Macroeconomic)
None of the statements above represents a microeconomic phenomenon.