Overhunting and overfishing can cause animal populations to grow endangered or become extinct.
The purpose of the Mercosur is to promote free trade & fluid movement of goods, people, & currency. <span />
The answer to the question is the total surface area increases and chemical composition changes. Consider the breakdown of rock into smaller pieces, these fragments vary from huge rocks to smaller sizes. As they are so crushed and broken they tend to occupy much of the surface area than when its just a huge rock.
Showing how trends change over time
Physical geography focuses on natural processes of the earth, including climate and plate tectonics, whereas human geography studies the effect and behavior of humans and how they relate to the physical world. The two fields of geography are interrelated.
