Comparative advantage means the ability to produce a good or service more efficiently than another country. with a lower opportunity cost than another country. less efficiently than another country. with a higher opportunity cost than another country.

With a lower opportunity cost than another country.

Explanation:

Comparative advantage means the ability to produce a good or a service with a lower opportunity cost. A country with comparative advantage will be able to produce goods or to offer services in a lower price than others countries can sell it. Comparative advantage is not about the quantity or the quality of goods a country can produce, as the better or the bigger producer, it is about producing with a lower opportunity cost.

B) With a lower opportunity cost than another country.

Explanation:

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.

a is the answer because it just is