<span> 84 billion cubic meters per year</span>
Answer:
(A) It connects Western and Central Europe.
(C) It is an important trade route.
(D) It is used for transportation.
Explanation:
The Danube is a river in central Europe and the second longest in this continent (the first is the Volga), which flows mainly through ten countries (Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova and Ukraine) to finally flow into the Black Sea.
This river is of great importance for Eastern Europe because its channel serves as an international bridge for agricultural, fishing, tourism, commercial and industrial activities. In addition, the majority of the population that lives in its vicinity, depends on the water of the Danube to carry out its activities, which is why there is a large number of reservoirs and dams on its way.
Another important aspect is that the Danube has a high economic potential, due to its capacities for transport, commerce and tourism, so the use and use of its waters has been promoted.
Only the federal government regulates interstate trade
Option D.
<u>Explanation:</u>
The federal government is the central government in the United States of America which is linked with the welfare of the whole country and the state government is linked with the welfare of the people of a particular state only in the country.
Because of the difference in the aims of the two types of the country, the delegation of powers is also different between these types of the government. one of the powers which rests with the central but not with the state government s the regulation of the inter state trade.
