B. Better managing our natural resources
I believe it is the outer crust but i will do more reaserch for you :)
Answer:
the Andes is the primary mountain range in South America
Answer:
1.The presence of dense tropical forest provides ready sources of valuable timber.
2.Presence of many economic trees.
3.Presence of wide market for timber products within the country.
4.High demand for hardwood in foreign counties.
The basic theory of plate tectonics is that along seafloor spreading zones, the continents are separating from one another. As they spread apart, magma comes to the surface and becomes new continental crust. As the tectonic plates move away from spreading zones, they collide with one another.
