Which statement correctly summarizes why civic participation is important in a democracy? a. it allows citizens to understand their representatives better. b. it is a legal as well as an ethical obligation for citizens. c. civic participation is a requirement for voting. d. without it, political leaders have no way of representing the people's views.

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.