Ill give brainlist if u answer this, don't copy and paste pls help its a test

answer a

Explanation:

bc im also working on this

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. whichever court actually exercises its jurisdiction first will do so exclusively.

uhh idk for sure but i think it makes it difficult to pump the oil through the oil rigs