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.
SUMMARY. Tanzania. The largest economical sector in Tanzania is agriculture, employs about 75% of all employees in the country, and accounts about 50% of the GDP. The country is 3th largest gold producer in Africa behind South Africa and Ghana.Tanzanite (a type of precious gemstone) is found only in Tanzania.Tourism is an important sector in Tanzania as well and rapidly growing.he country is 3th largest gold producer in Africa behind South Africa and Ghana. Tanzanite (a type of precious gemstone) is found only in Tanzania. Tourism is an important sector in Tanzania as well and rapidly growing.