Due to sea floor spreading and subduction it's possible the continents are moving and may perhaps form another Pangaea millions of years from now -True
-false

answer; i believe that the correct answer is,lies(political rhetoric);

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!