What are the main reasons why bridges collapse?
a. Fire, during construction, earthquakes, by defect, boat or train crash.
b. Fire, earthquakes, ...
What are the main reasons why bridges collapse?
a. Fire, during construction, earthquakes, by defect, boat or train crash. b. Fire, earthquakes, by defect, boat or train crash. c. During construction, earthquakes, by defect, boat or train crash.
A resposta correta é a alternativa a: "Fire, during construction, earthquakes, by defect, boat or train crash." (Incêndio, durante a construção, terremotos, defeitos estruturais, colisão de barcos ou trens). Esses são alguns dos principais motivos que podem levar ao colapso de pontes.
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