Question

due to falling of trees.​

Answer 1

Explanation:

A tree falls in the woods, but a logger falls trees as well. but in the past tense, A tree fell in the woods, but the logger felled a tree. However, if it's not a tree, or if it's not a person's normal course of work to fall trees, then fell is used to mean "cause [some structure, regime, etc.] to fall."