Intellectual Olympiad in World Studies - 2026 ongoing
1000 ₸
Subject: World Studies Level: IX
Category: student
Quiz questions: in English
Example question: A coastal city builds a large number of concrete surfaces and removes much of its vegetation. Which local change is most likely during heavy rain? Rainwater will infiltrate the soil more rapidly., Surface runoff will increase and flash flooding will become more likely., The amount of rainfall will immediately decrease., Groundwater will become completely salt-free.