How is the vice president of the United States selected? A. The vice president is elected by a vote in the Senate.
B. The vice president is elected by a vote in the House.
C. The vice president is elected with the president.
D. The vice president is appointed by the president.

D

Explanation:

Before running for president the president usually has already selected their vice.

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.