1. Nobody know when the process of glass-making was invented.
2. Sugar like glucose is made up of carbon, hydrogen, and oxygen atoms.
3. Part of electricity used in United States today come from hydroelectric sources.
4. The language of the world present a fast array of structural similarities and differences.
5. The rise of multinationals have resulted in a great deal of deal ambiguliy because multinationals can operate in so many jurisdictions.