Tim is a clever, hardworking, and introspective boy. He takes quiet, intelligent paths through trying situations, as opposed to his father and brother, who share a boldness and impetuousness.
It might be said this paragraph shows "the damages caused by the lateral blast" (option D) because the reader gets to know that it can "shoot (..) pieces of rocks", "kill by impact, burial or heat" and to "knock entire forests". Nothing about prevention or causes is mentioned not even how to avoid it
The second one - There are many English words that were borrowed from other languages.
