Answer:
The label 4. is the danube river and river 3. s the Po river.
Step-by-step explanation:
- The Danube is Europe's second-largest river and is located in the central and eastern Europe, and it flows through the tyne counties, flows at a height of 1,078 meters above sea level. And it has a length of about 2,850 km.
- It is classified as an international waterway and originates in the black forest of Germany. And once was a strong standing support of the European empire and geological its smaller and much older than the Rhine river.
- The river Po is an eastward flowing river across the northern Italy. About 41,000 km of it is the mountainous environment and the 29,000 is the plains. The River has a mouth at the Adriatic sea and flows at a height of 3,700 meters, and is about 652 kilometers in length.