Why do africans south of the sahara share unequally in mineral wealth

Which environment would most likely not contain fossils? a a thick deposit of cracked, dried mud b sediment deposited in a sandy river bed c intrusive rock formed from cooled magma d layers of sand accumulated for a century

What is the approximate circumference of the circle shown below? 12.2 cm

Suggest two reasons why irrigation is important for human development of the desert (4 marks)