Test ministeriali 2011-2012 in lingua inglese per l’accesso alla facoltà di Medicina e Chirurgia 2012-2013
Migratory birds which are unable to fly long distances without resting have to use the shortest distance over water in their flights to and from Africa, and so they cross at the Straits of Gibraltar. It is essential for these birds, some of which are very rare, that the route remains open. For that reason, it is important that plans to build electricity-generating wind farms on the hills surrounding the Straits of Gibraltar do not go ahead. Which one of the following is an assumption on which this argument depends?