The Biosphere is the answer that ur looking for
it is called Machhapuchare
The Danube is the second longest river in Europe flowing from Germany to the Black Sea passing through ten different countries. It is a major water supply for irrigation, crops and drinking water for millions of people, and is used as a major shipping route and for cultural tourist destination. (A) is correct as it passes through Budapest, Vienna, Bratislava and Belgrade (all capital cities), (C) is correct as there are many tourists travel to the river on cruises, (B) could be correct also, however its main natural resource is water, and its route, so I would not consider it to have "many" natural resources. And (D) would not be correct as the river flows West to East not North to South.
Answer:
This is a cycle because it continues forever. Cycles like for example, a human. A human starts off as a baby, becomes a toddler., then ages into a kid then a teenager, afterwards an adult. And this cycle continues. It happens everywhere in nature and everywhere in the world today with living things including: Plants, Humans, and animals. I hope this helps It might be wrong and I'm sorry if it is:(
