If plant growth in width or girth emanates from within and around the vascular tissues, then where in the plant does growth in width or girth originate?

Answer choices:
- conductive tissue
 - carbon dioxide
 - Veins and arteries.
 - It gets more light
 - photosynthesis
 - at or near the margins
 - vascular tissue
 - in the autumn season

 

       vascular tissue   