A. Elbe
B. Danube
C. Rhine
D. Nile
🧠 Explanation:
Vienna, Austria, lies on the Danube River, a major European waterway. For geography students, this highlights urban geography, making it a key topic for studying European cities, river systems, and cultural heritage. The Danube supports Vienna’s economy and history. Understanding this reveals the role of rivers in urban development. It’s essential for analyzing urban planning, environmental management, and tourism. Studying Vienna’s location offers insights into how rivers shape cities, crucial for geography, urban studies, and environmental science, ensuring knowledge of Europe’s cultural and economic landscapes.