You are presented with the question "The vascular cambria allows:" and the following answer choices: 
- Exfoliation
 - roots to grow
 - plant
 - movement
 - Animal survival
 - soil
 - liver
 - rapid expansion

Now knowing that roots grow in length and width from primary and secondary meristem and vascular cambium is a primary meristem, choose the best answer.


 

  roots to grow       