What are the celestial coordinates?

A celestial coordinate system is a system for specifying positions of satellites, planets, stars, galaxies, and other objects that can be found in space. Hope this helps:)

Celestial coordinates are a reference system used to define the positions of objects on the celestial sphere.

Explanation:

the answer is:

c. islam and christianity

explanation:

islam and christianity are widely practiced in africa. islam is practiced due to its spread from the middle east into africa, and christianity is practiced due to the colonization of africa by the british empire.