I think the only reason it would be vulnerable is that it is close to a tectonic plate or the plate that creates earthquakes.
Answer:
1) Cuya
2) Cuando
3) Que
Explanation:
1. cuya ( whose) ...company dedicates to...
2. cuando (when) ... the water contaminates, there are many toxic substances.
3. que ( that) ... looks for a solution for the energy consumption , makes studies in Chicacaque...
