What happens when hydrogen is finished in the core of the sun​

when our sun runs out of hydrogen fuel in the core. it will contract and heat up to a sufficient degree that helium fusion can begin it end composed of carbon and oxygen with the lighter hydrogen and helium layer blow of these will occurs for stars between about 40% and 800% the sun's mass

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.