Concept:Economics deals with making choices due to scarcity.
Explanation:Every society has limited resources but unlimited wants.
This scarcity forces people to choose how to use resources.
An economic system is mainly concerned with allocating these scarce resources among competing uses.
It decides what to produce, how to produce, and for whom to produce.
The other options are not the main concern because they either describe abundant resources or setting laws, which economics does not primarily do.
Answer:B. the allocation of scarce resources between alternative ends