It’s alright, how is your day?
I don't see how this is English, but the opposite for condensation is evaporation. So the answer is
evaporación
Evaporation involves a phase change from liquid phase to vapor phase, whereas condensation involves a phase change from vapor to liquid phase.
The most accurate answer for the question should be 'What' since the sentence seems to be discussing the purpose of hazard zone maps and its characteristics. However, in the given choices, the most plausible answer would be 'B. Why' because the nature of the sentence seems to answer the question 'Why the hard zone maps are important'.
