1. PLATETECTONICS
... -polar regions, and the occurrence of glacial deposits in present-day arid Africa, such as the Vaal River valley of South Africa. The theory of continental drift would become the spark that ignited a new way of viewing the Earth. But at the time Wegener introduced his theory, the scientific community firmly believed the continents and oceans to be permanent features on ... ...
- Word Count: 2775
- Approx Pages: 11
- Grade Level: Undergraduate