Help right now pls Which fact is the basis for the principle of scarcity?

a
There is a limited supply of resources.
b
Some people are poorer than others.
c
People always want to buy more.
d
People always want to make more money.

Concurrent jurisdiction is the ability to exercise judicial review by different courts at the same time, within the same territory, and over the same subject matter. for instance, a domestic violence matter may be heard in either a general civil court or a family court in the same county.i hope that this you : )