Roots grow in length and width from primary and secondary meristem, and for example, carrots and beets are roots. Given these facts, carrots and beets what in length and width from primary and secondary meristem among the following options:
- grow shorter
 - grow smaller
 - grow bigger
 - peachleaf willow
 - grow narrower
 - they bend
 - In their leaves
 - rapid expansion


 

   grow bigger      