how does the oil refinery fire in romeoville on July 23, 1984 teach firefighters about how to engage a catastrophic event like that?

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.

c

explanation:

i am pretty sure hopefully just you