Por la interacción de la placa oceánica de Nazca con la parte continental de la placa sudamericana.
Answer:
Existence itself is not homogeneous. It is heterogeneous. That means there are various kinds and degrees of purity.
It would be Approximately 24.5
Overgrazing, which is when farmers allow livestock to graze to the point where they damage the vegetation, and deforestation, which is the process of removing trees and transforming a forest into cleared land, are also ways that humans cause desertification by removing vegetation.