How do you do fractions

Explanation:

eg 1/2+ 1/2

equal to 1 which is whole

denominator need to be the same when doing

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.

b. parliament was weaker than the monarchy.