Can you all plz i dont understand ! plzzz

1.which of the following is the study of the national economy as a whole, including things like output, unemployment, and inflation? a. macroeconomics
b. microeconomics
c. international economics
d. consumer economics
e. global economics

2.what is the study of personal economics called? a. macroeconomics
b. microeconomics
c. international economics
d. consumer economics
e. global economics

3.what is the most basic economic problem that all economies face? a. limited wants
b. unlimited resources
c. scarcity
d. utility
e. communism

4.which of the following is not an economic choice? a. whether to buy a pair of shoes or buy a compact disk?
b. whether to go to a basketball game or to the movies?
c. whether to drill for oil in alaska or to save the land for the future?
d. whether to go to college or not?
e. all of these are economic decisions