C) All the tissue interior to the vascular cambium
D) All the tissue exterior to the vascular cambium
Explanation
Due to activity of the cork cambium, pressure builds up on the remaining layers, peripheral to phellogen and ultimately these layers die and slough off. Bark is the non-technical term that refers to all tissue exterior to the vascular cambium
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.