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.
Colombia is known to possess a rich store of natural resources ranging from minerals to energy resources, agricultural products to fuels. Colombia natural resources are mainly centered around the Llanos Basin, situated in the foothills of Eastern Cordilla. Colombia accounts for a large output of minerals and fuel oil.Talking about the natural resources at Colombia, it can be said that Colombia has the highest reserve of coal in Latin America. Colombia ranks first in its store of coal. The total output of coal obtained from Colombia is 7.4 metric tonnes.olombia is known to possess a rich store of natural resources ranging from minerals to energy resources, agricultural products to fuels. Colombia natural resources are mainly centered around the Llanos Basin, situated in the foothills of Eastern Cordilla. Colombia accounts for a large output of minerals and fuel oil.