Adissenting opinion can be important because

A dissenting opinion can be important because  they show how the Supreme Court has reached their opinion(s).

Explanation:

Dissents provide an explanation on the thought processes of the justices who did not agree with the majority opinion and why they did not agree- also providing insight to the majority/concurring opinions of the other justices.

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.

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