What would experience decomposition?​

A dead animal.

Explanation:

Decomposition is the first stage in the recycling of nutrients that have been used by an organism (plant or animal) to build its body. It is the process whereby the dead tissues break down and are converted into simpler organic forms. These are the food source for many of the species at the base of ecosystems.

Explanation:

islam spread slowly through much of africa through trade and preaching.