Answer:
The fence will still be five feet high because the lengthening of the tree occurs at the apical meristem
Step-by-step explanation:
This is a simple and quick question to solve
years later after the tree is now thirty feet high, The barbed wire has been initially stapled at a height of five feet.
However a tree increases from its apical meristem therefore the barbed wire fence will still remain at that same height of five feet high.