Which person is demonstrating the critical approach to social research

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.

i believe it was spain

i think they should to be honest

explanation:

according to worldatlas.com, the u.s. has an 86% literacy rate.