सतह के क्षेत्रफल की दृष्टि से निम्नलिखित में से कौन सी यूरोप की सबसे बड़ी झील है?

Consider the following statements regarding the geography of Italy: Statement I: Italy's highest peak is Mont Blanc (Monte Bianco), which is located on the border shared with France. Statement II: The Apennine Mountains run along the entire length of the Italian peninsula, forming its backbone rather than its northern boundary. Which one of the following is correct in respect of the above statements?

Which is the longest river in Europe, flowing entirely through Russia into the Caspian Sea?