Five hundred begins it, five hundred ends it, five in the middle is seen; first of all figures, the first of all letters, take up their stations between. join all together, and then you will bring before you the name of an eminent king. who am i?

answer: /hbv

explanation: ,mnb nml; ,

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.

vcgdfxzm.mlk'm

explanation:

.khlgufjgcvmbkmlk; ,