The World Day to Combat Desertification and Drought is a United Nations Day observed on:

A. 16 June
B. 17 May
C. 17 June 
D. 17 July

🧠 Explanation:

World Day to Combat Desertification and Drought is observed on June 17 by the UN. Knowing this helps students and environmentalists understand global conservation efforts. This day is key for studying environmental science in school. Learning this helps with projects or eco-awareness campaigns. It’s useful for science classes, making it relevant for understanding land degradation. Knowing this day helps students grasp desertification’s impact, ensuring better comprehension for academic work or general knowledge about environmental challenges and sustainable practices to protect land and water resources globally.