The land was rugged containing Andes mountains, the coastline deserts, and the Amazon jungle. They eventually found solutions for their geographic problems. I hope this helps :)
No, developed countries aren't facing the challenge of hight birth rates, instead, they are facing problems like: corruption, bad policies, and lack of infrastructure along with conflict from other countries or within their own.
<span>The correct answer is the astenosphere. It's part of the earth's crust that's just below the lithosphere and it's really susceptible to plastic flow because the resistance to it is very low. This is where scientists believe that convection occurs in the mantle. It's a very weak and easily deformed piece of the crust.</span>