Answer:
The external forces are known as exogenic forces and the internal forces are known as endogenic forces. The endogenic forces continuously elevate or build up parts of the earth's surface and hence the exogenic processes fail to even out the relief variations of the surface of the earth.
Angola has the highest GDP of all the central African countries. Does that answer your question?
Answer:
They built a strong levees or as some call it earthen walls, they did this to keep water out of their cities
Over time, languages develop new traits and characteristics, while keeping some traits of their ancestral languages. This evolutionary process allows for what is known as genetic classification or genealogical classification of human languages.
