 the production of primordia cause roots to 
Bend grow loss expand growth Rise mildew die
A B C D E F G H
Meristem growth occurs by the production of primordia which develop at the meristem periphery.
Roots grow in length and width from he production of primordia 
 the production of primordia cause roots to  (A) Bend (B) grow (C) loss (D) expand (E) growth (F) Rise (G) mildew (H) die