Pure blue, in the middle, has a wavelength of 470 nanometres. In painting and traditional colour theory, blue is one of the three primary colours of pigments, along with red and yellow, which can be mixed to form a wide gamut of colours.
Endowed with significant natural resources, including ample fertile land, regular rainfall, and mineral deposits, it is thought that Uganda could feed all of Africa if it were commercially farmed. The economy of Uganda has great potential, and it appeared poised for rapid economic growth and development.gricultural products supply nearly all of Uganda's foreign exchange earnings, with coffee alone (of which Uganda is Africa's leading producer) accounting for about 27% of the country's exports in 2002.
The Economy of Nauru is primarily based on phosphate mining, offshore banking, and coconut products.t is hoped that this economic activity might lift Nauru from the bottom rung of global GDP per capita. The only other major source of government revenue is sale of fishing rights in Nauru's territorial waters. Aid, chiefly from Australia, Taiwan and New Zealand, keeps the Nauruan economy afloat.