Trees have woody stems covered with bark, and cinnamon sticks are simply pieces of tree bark. Given these facts, what are sometimes made from the material that covers woody stems among the following options:
- shrub beds
 - solid geometric shapes
 - saffron
 - Organic compounds
 - turmeric
 - mustard seed
 - cinnamon sticks
 - layers of fat


 

       cinnamon sticks  