Seafloor mapping during WWI and the Cold War had revealed the details of the physical structure of the ocean ridge system, and discovery of magnetic stripes on the ocean floor was the crucial turning point in development of plate tectonic theory. when deep-sea line soundings (bathymetric surveys) were routinely made in the Atlantic and Caribbean.
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With the technology advancing and touching every field of human life, it has helped to improve the interactions between the nations also leading to development across the globes. Now people sitting in different countries can interact with each other, exchange values and traditions, learn new skills from one another and develop mutual understandings and co operation with the help of technology. This will also help to improve education and employment opportunities throughout.
The 5 famous mountain ranges in South America include The Andes, The Sierra Nevada de Santa Marta, Sierra de Cordoba, The Wilhelmina Mountains, and The Mantiqueria Mountains.