Answer:
Colonial rule provided an environment in which Christianity, in many forms, spread in many parts of Africa. While Islam was widespread in Africa prior to the coming of colonialism, it also benefited from colonialism.
Explanation:
It's hard to pin point exactly how much but historians estimate between 25-33%
The chemical elements with atomic numbers greater than 92, which is the atomic number of uranium.
All of these elements are unstable and decay radioactively into other elements.