C. Having a low standard of living
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.
There was a larger number of early civilizations in the Eastern Hemisphere than in the Western Hemisphere as due to the availability of better resources along with high technology.
<h3>What was the First civilization?</h3>
The early civilization is referred as the first civilization where there is more emphasis on agricultural land and crop production to maintain their settlement for managing their livelihood.
In the Eastern hemisphere, the environment is a little flexible which provides better resources that help in the survival of mankind by providing sufficint food facilities along with advanced technology which helps in hunting and gazing.
The indigenous population respected nature. Mountain ranges, rivers, forests, the sun, moon, stars, and other natural phenomena all had supernatural power.
Learn more about the First civilization, here:
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Schist has the highest metamorphic grade.