Blue is the colour between violet and green on the optical spectrum of visible light. Human eyes perceive blue when observing light with a wavelength between 450 and 495 nanometres.
The United Kingdom is a Sovereign island country. It consists of 4 constituent countries, England, Northern Ireland, Scotland and Wales. Great Britain is the name of the island which consists of England, Scotland and Wales.The full name is the United Kingdom of Great Britain and Northern Ireland. The UK is part of the continent of Europe.he United Kingdom is a Sovereign island country. It consists of 4 constituent countries, England, Northern Ireland, Scotland and Wales. Great Britain is the name of the island which consists of England, Scotland and Wales.
The United Kingdom. The United Kingdom is an independent country off the northwestern coast of Europe. It consists of the entire island of Great Britain and a northern part of the island of Ireland. In fact, the official name of the country is the United Kingdom of Great Britain and Northern Ireland..y Matt Rosenberg. While many people use the terms United Kingdom, Great Britain, and England interchangeably, there is a difference between them -- one is a country, the second is an island, and the third is a part of an island.