<h2>Ur Answer:-</h2>
The cambial ring becomes active and starts cutting off new cells; both on the inner and the outer sides. The cells which are cut off towards the pith mature into secondary xylem. The cells which are cut off towards the periphery mature into secondary phloem.
<h2>Hope it helps uh!</h2>
Hello,
The answer is for sure <span>A. O horizon</span>.Positive.
Hope this helps
Answer:
except option 2 all of them are applied
Explanation: