Which statement best provides an important reason why countries and regions specialize in their economic activities? as. they become more self-sufficient. b. they do not wish to complete. c. they have different productive resources. d. they are unable to overcome trade barriers.

C

Explanation: Every country, state, or group all specialize in certain resource supply and demand. This also comes with worldwide trade such as marketing and Imports/Exports. Have a great day! Hope this helps!

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

anti-semitism hope this !