Before we get into working out how much data you need, we should probably get you up to speed with the terminology for measuring units of data, which in turn is by networks to tell you how much data you get with a contract. Kb. This stands for kilobyte and just over 1000Kb make up one Mb. MB.
In its heyday, Timbuktu was an important trading hub for two of Africa's most important items of commerce: salt and gold. The wealth of the city is evident from the quotation above. But Timbuktu also became an important city for Islamic scholarship.
It is also the world's third largest coal exporter. South Africa is also a huge producer of iron ore; in 2012, it overtook India to become the world third biggest iron ore supplier to China, who are the worldâs largest consumers of iron ore.outh Africa Coal production (red) and exports (black). Main article: Coal in South Africa Â§ Mining. South Africa is the world's third largest coal exporter, and much of the country's coal is used for power production. (about ~40%) 77% of South Africa's energy needs are provided by coal.