C. Explain how the spread of Islam from its culture hearth is an example of relocation diffusion.

when the religion relocates to a new place from a central point

Explanation:

The second type of diffusion, relocation diffusion, takes place when the religion relocates to a new place from a central point. When Islam jumped from the Middle East to Indonesia, it diffused through relocation

answer; ///i believe the correct answer is (a) decrease biodiversity;