Songhai’s vegetation is composed of plants such as palm
nuts, kola nuts, yams and fruits. Vegetation
in Songhai was made possible due to its fertile soil that makes it suitable for
farming. Other areas in Africa in comparison are dry.
Mercantilism is an example of an economic system, so your answer is C! :D
John Wallis was an English clergyman and mathematician who is given partial credit for the development of infinitesimal calculus. Between 1643 and 1689 he served as chief cryptographer for Parliament and, later, the royal court. He is credited with introducing the symbol ∞ to represent the concept of infinity.
Answer should be B
(extra lines)
