While the presence of Islam in West Africa dates back to eighth century, the spread of the faith in regions that are now the modern states of Senegal, Gambia, Guinea, Burkina Faso, Niger, Mali and Nigeria, was in actuality, a gradual and complex process.
Hypoventilation is a condition that arises when air entering the alveoli, small air sacs in the lungs that are the site of respiratory gas exchange, is reduced. This causes levels of oxygen to decrease and the levels of carbon dioxide to increase.
Definition and meaning. Hypothecation refers to pledging an asset â granting a hypothetic â such as a house or car, as collateral on a loan, but the borrower still has ownership of that asset and enjoys its benefits, as long as he or she does not default. This type of hypothecation is commonly done to get a mortgage on a house.