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.
London is the capital of the United Kingdom (and England) it is located in the South East of England on the British Isles. Therefore it is not on a continent but on an island. â¦ The island is regarded as part of the European area.ondon, England, is on the continent of Europe, even though the  British Isles are separated from the mainland by the English  Channel.   London, Canada, is on the conti â¦ nent of North America.