Answer:
Denudation is a process that causes the wearing away of the earths surface by moving water, by ice, by wind and by waves. this leads to a reduction in elevation and in relief of landforms and of landscapes
Main sequence stars burn through hydrogen
Since we're talking about Religion, I am no expert when it comes to that but I believe the Christianity (Christians) dominates the west I believe that Judiasim and Islam dominates the south
The spread began in the 7th to 9th century, originally brought to North Africa under the Umayyad Dynasty. Trade networks were extensive, spanning through north and west Africa which created a medium in which islam peacefully spread through the merchant class.