What is a requirement for clear zones at facilities housing Category I through Category IV A&E?
A. The clear zone will extend 12 feet on the outside of the perimeter fence.
B. The clear zone will extend 10 feet on the inside of the perimeter fence.
C. The clear zone will extend to the maximum extent within available land space.
D. The clear zone may include topographical features and vegetation up to 2 ft high.