1 Movement: Why do you think many early people continued to migrate south throughout the Americas instead of settling in what is now Alaska?

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.

a. the astrolabe could determine the correct latitudinal location of the ship

uuum how? to take a test for you or