deserts of Africa facts Selected as the most interesting among Africa related questions in Africa quiz Which desert has this famous "eye"?Sahara. The Richat Structure in Mauritania, also known as the Eye of the Sahara, was interpreted as an asteroid impact structure, but no evidence for shock metamorphism has been found. Today scientists believe that it is a huge (40 km in diameter) and deeply eroded geologic dome.Created by: globalquiz.orggeography of West Africa facts » What are the circular objects visible on this satellite photo taken over Libya?Agricultural fields. This is an astronaut photo of the Al Khufrah Oasis in Libya. The circular shape of fields is characteristic of center pivot irrigation. These fields are approximately 0.6 mile (1 kilometer) in diameter. Lighter colors indicate fields that have been harvested recently or just planted.Created by: globalquiz.orgdeserts of North Africa facts » What mainly characterises the landscape of the Sahara desert ?It is rocky. Most of the Sahara consists of rocky hamada; ergs (large areas covered with sand dunes) form only about 20% of the total area.Created by: Kasiageography of North Africa facts » In which country is Berber an official language?In Morocco. The Berber language is ancient and has 2200 years of written tradition. In 2011 Berber became a constitutionally official language of Morocco, after years of persecution (under the policy of Arabization). There is a movement among speakers of the closely related varieties of Northern Berber to unite them under a standard language.Created by: globalquiz.orgMorocco facts » Play Africa quiz and see all the questions.