Create PowerPoint presentation discussing the way that the geographic concepts are represented in in a particular food item or cuisine:
1. Regions
2. Diffusion
3. Cultural landscape
4. Distance decay
Be sure to address these SPECIFIC geographic terms and concepts. You may use "subsets" of these definitions (e.g. contagious diffusion) if such subsets exist. Be sure to refer to your text and glossary to ensure you completely understand these concepts.