The goal of this task is to translate questions in English into Catalan. The requirements of the translation is that: the text must be equivalent in meaning, the text must not be ambiguous, and the text must be written as a question

When was Europe fully forested and recovered from the last Ice Age?
Quan es va sotmetre Renània al Tractat de Versalles?

To what gauge have some lines been changed in the west of Victoria?
A quina amplada s’han canviat algunes de les línies a l’oest de Victòria?

In China, this person inferred that the land was formed by erosion of the mountains and by silt deposition, what was his name?

Aquesta persona va proposar explicacions sobre l’origen dels terratrèmols i la formació de les muntanyes, com es deia?

