The center of a root is called the . epidermis
xylem
vascular cylinder
phloem
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Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

What is the most stable monatomic ion formed from nitrogen

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d