What is the north-south split in terms of development

The primary agent of contact metamorphism is

Which statement best explains distribution of natural resources? people tend to settle in locations that have the resources they need for survival. some countries have resources that others lack, so trade between countries becomes vital. fossil fuels come from areas that have mountains and other areas that manufacture synthetic gas. areas with natural resources provide a higher standard of living and better quality of life.

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics