A. Nigeria and Ghana
B. Senegal and The Gambia
C. Mali and Cole d’lvoire
D. Ghana and Benin
Correct Answer: Option B
B. Senegal and The Gambia
Explanation
Senegambia, officially the Senegambia Confederation, was a loose confederation in the late 20th century between the West African countries of Senegal and its neighbour The Gambia, which is almost completely surrounded by Senegal. The confederation was founded on 1 February 1982 following an agreement between the two countries signed on 12 December 1981.
![A travelling microscope is focused on a mark on a table. If a glass block of thickness 18.0cm is placed on the mark by how many centimeters will the microscope be moved upwards so as to focus the mark once again? [refractive index of glass = 1.5]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A travelling microscope is focused on a mark on a table. If a glass block of thickness 18.0cm is placed on the mark by how many centimeters will the microscope be moved upwards so as to focus the mark once again? [refractive index of glass = 1.5]")
