(A) Yallow River
(B) Yangtze
(C) Nile
(D) Amazon River
🧠 Explanation:
The longest river in the world is the Nile. Knowing this helps students and geography enthusiasts understand global geography. The Nile is key for studying geography or history in school. Learning this helps with projects or exploring river systems. It’s useful for geography classes, ensuring clarity in academic work or general knowledge about world rivers.