Respuesta :
Answer:The Alps
Explanation:Almost 40% of the Italian territory is mountainous, with the Alps as the northern boundary and the Apennine Mountains forming the backbone of the peninsula and extending for 1,350 km (840 mi).
Almost 40% of the Italian territory is mountainous, with the Alps as the northern boundary and the Apennine Mountains forming the backbone of the peninsula and extending for 1,350 km
