You are presented with the question "What make the stem or root grow larger in diameter?" and the following answer choices: 
- heart cells
 - rainfall
 - bending light rays
 - vascular tissues
 - tissue boxes
 - plant cells
 - colors of the spectrum
 - Exfoliation

Now knowing that secondary meristem is located within and around the vascular tissues and secondary meristems make the stem or root grow larger in diameter, choose the best answer.


 

    vascular tissues     